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Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 94 (from laksa131)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa094.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.valleyhealth.com/services/arrhythmia\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.valleyhealth.com/services/arrhythmia\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.valleyhealth.com\/services\/arrhythmia","crawl_time":1775379238,"first_indexed_time":1697531008,"http_code":200,"src_unparsed":"com,valleyhealth!www,\/services\/arrhythmia s443","src_root_hash":"4173786399994726494","history_drop_reason":null,"meta_title":"Arrhythmia | Irregular Heartbeat | Irregular Heart Rhythm","meta_descriptions":["Valley Health System uses the latest tools to diagnose and treatment arrhythmias. We can help relieve your symptoms and reduce your health risks."],"attrs_boilerpipe_text":"An arrhythmia is an irregular heart rhythm. Arrhythmias occur when the electrical impulses that control your heartbeat don’t work properly. This causes your heart rhythm to be too slow, too fast or unpredictable.\nIf you have an arrhythmia, you may have symptoms like palpitations and fainting (syncope). Some types of irregular heart rhythms like atrial fibrillation (AFib) can also raise your risk for stroke and heart failure.\nAt Valley, our\nelectrophysiology\nteam specializes in identifying all\ntypes of arrhythmias\n. We can also restore your normal heart rhythm using the latest treatments that you won’t find at most hospitals.\nArrhythmia Symptoms\nSymptoms of arrhythmias include:\nPounding or fluttering sensations in the chest (\npalpitations\n)\nLightheadedness\nFatigue and weakness\nFainting (\nsyncope\n)\nShortness of breath\nChest pain\nSweating\nYou don’t have to suffer with the discomfort and uncertainty of arrhythmia symptoms. Our electrophysiologists can help determine the cause and recommend treatment — helping you feel better and avoid other health risks.\nTypes of Arrhythmias\nArrhythmias can start in the upper chambers (atria) or the lower chambers (ventricles) of your heart. Valley’s electrophysiologists specialize in treating all types of irregular heart rhythms, including the most complex. Some of the arrhythmias we identify and treat include:\nAtrial Fibrillation (AFib)\nAtrial fibrillation\n(AFib) is the most common arrhythmia. AFib causes the upper two chambers of your heart (atria) to quiver, which makes your heart beat quickly and erratically.\nIf your AFib is not under control, it can raise your risk for\nstroke\n,\nheart failure\nand other health problems. Valley offers the latest treatments for AFib and other arrhythmias through the\nSnyder Center for Comprehensive Atrial Fibrillation\n.\nAtrial Flutter\nLike AFib, atrial flutter begins in your heart’s upper chambers. However, atrial flutter is less erratic than AFib. Still, it can raise your risk for stroke, so it requires treatment.\nParoxysmal Supraventricular Tachycardia (PSVT)\nPSVTs are episodes of a very rapid heartbeat that starts and stops suddenly. This type of arrhythmia usually begins in your heart’s upper chambers.\nPremature Atrial Contractions (PACs) and Premature Ventricular Contractions (PVCs)\nPACs and\nPVCs\nmay make you feel like your heart skipped a beat. They are usually harmless and don’t require treatment unless they bother you.\nVentricular Fibrillation (VFib)\nVFib is a dangerous heart rhythm that requires emergency treatment. During VFib, the lower chambers of your heart quiver so your heart cannot pump blood properly. Delivering an electric “shock” to your heart can help restore the rhythm back to normal.\nVentricular Tachycardia (VTach)\nThis rapid heartbeat also begins in the lower chambers of your heart. Because your heart is beating so fast, it pumps less blood throughout the body.\nVTach\nalso requires emergency treatment with an electric “shock” to your heart to return your heart rhythm back to normal.\nAV Nodal Re-Entrant Tachycardia (AVNRT)\nAVNRT is a common type of rapid heartbeat that occurs when your heart has more than one electrical pathway. AVNRT is not usually life-threatening, but treatment can improve symptoms like chest pain and dizziness.\nHeart Block (Atrioventricular Block)\nA heart block occurs when the electrical signal in your heart gets delayed or blocked. Not all types of heart blocks are serious. But without treatment, some can lead to bradyarrhythmia (irregularly slow heartbeat) and even cardiac arrest (when your heart stops beating).\nArrhythmia Diagnosis at Valley\nGetting an accurate arrhythmia diagnosis ensures you receive the best possible treatment for your arrhythmia.\nAfter we take your medical history, we may recommend some tests to determine the cause of your symptoms. These may include:\nElectrocardiogram (ECG)\n, a noninvasive test to evaluate the electrical activity in your heart\nEchocardiogram\n, a noninvasive test that uses high-frequency sound waves (ultrasound) to show the size, structure and motion of your heart\nChest X-ray\n, which shows the size of your heart\nExercise stress testing\n, which checks many aspects of your heart function while you are on a treadmill or stationary bike\nAmbulatory monitoring\n, which lets us track your heart rhythm at home. We offer all types of monitors, including portable Holter monitors and implantable loop recorders.\nElectrophysiology (EP) study\n, a minimally invasive procedure to find where the arrhythmia starts in your heart\nTilt table testing\n, which allows us to recreate symptoms if you’ve had fainting spells (syncope) when you suddenly stand up. This helps us determine what’s causing you to faint.\nArrhythmia Treatment at Valley\nYour arrhythmia treatment plan may include one or more options based on your overall health and your specific needs. These include:\nLifestyle modifications\nMedications\nProcedures\nCardiac device therapy\nHeart surgery\nLifestyle Modifications\nBecause\nheart disease\ncauses many arrhythmias, we may recommend heart-healthy habits such as:\nExercising regularly\nEating a healthy diet\nReducing stress\nNot smoking\nLimiting alcohol and caffeine\nMedications\nYour electrophysiologist may recommend certain medicines to help control your irregular heart rhythm and reduce your health risks. These may include:\nAntiarrhythmic medicines\nto steady an abnormal heart rhythm. Examples are sodium channel blockers, beta blockers, potassium channel blockers and calcium channel blockers. If you take these medications, we’ll carefully monitor you for side effects or signs that your arrhythmia is getting worse.\nDigoxin\n, a medication that can slow down heart rhythms and treat heart failure.\nBlood-thinners\n(anticoagulants) to help prevent blood clots. If you have AFib, these medicines can reduce your risk for stroke. Examples include warfarin, rivaroxaban, apixaban and edoxaban.\nWe may also adjust your other medications, such as blood pressure medicines, that can affect your heart rate.\nProcedures\nWe may recommend a procedure if we think it will help control your irregular heart rhythm. Procedures for arrhythmia include:\nCardioversion\n, which uses an electrical shock to reset the heart rhythm back to normal\nCatheter ablation\n, which uses hot or cold energy to interrupt pathways in your heart causing your irregular heart rhythm\nCardiac Device Therapy\nIn some cases, your electrophysiologist may recommend an implantable device if other treatments do not control your irregular heart rhythm. Devices for arrhythmia include:\nA pacemaker\nto treat a slow heartbeat (bradycardia). This device sends low-energy electrical pulses to the heart if your heart rhythm slows or becomes erratic.\nAn implantable cardioverter defibrillator\n(ICD) to continuously monitor your heartbeat and deliver a lifesaving “shock” if your heartbeat becomes dangerously irregular.\nA left atrial appendage closure (LAAC) device\n, like the\nWatchman\nor\nAmulet\n, to reduce your stroke risk if you have AFib.\nHeart Surgery\nMost people with arrhythmias don’t need heart surgery. But if other treatments have failed to improve your arrhythmia, your electrophysiologist may recommend heart surgery.\nIf you have severe coronary artery disease and ventricular tachycardia,\nbypass surgery\ncan improve blood supply to your heart.\nWhy Choose Valley for Arrhythmia Care?\nConvenient, timely care\n: We understand how frustrating it can be to wait to see a specialist for your heart. That’s why we aim to get you in to see our electrophysiologists within a week.\nAn accurate diagnosis\n: Our team will make every effort to get the correct diagnosis for you, even if other centers haven’t. We won’t give up until we understand the cause of your arrhythmia symptoms — and have a plan to address your symptoms. \nAFib expertise\n: Through Valley’s Snyder Center for Comprehensive Atrial Fibrillation, we offer a team approach to treat AFib and other irregular heart rhythms. We will create a comprehensive plan that may include treatments you can’t find at most hospitals. For example, we offer the latest devices like Watchman and Amulet to reduce your risk for stroke. We also collaborate with other\nheart specialists\nat Valley on your care plan if you have AFib and heart failure.\nLocal experts in ablation\n: You don’t need to travel to the city to find experts in catheter ablation for arrhythmias. Our team is skilled at performing complex ablations using a collaborative approach where two electrophysiologists work side by side. Our electrophysiologists are also studying the latest ablation techniques through\nclinical trials\nthat are not available at many centers.","attrs_markdown":"[Skip to main content](https:\/\/www.valleyhealth.com\/services\/arrhythmia#main-content)\n\n[![Valley Health Care Logo](https:\/\/www.valleyhealth.com\/sites\/default\/files\/images\/logos\/logo.png)](https:\/\/www.valleyhealth.com\/)\n\n[![Valley Health Care Logo](https:\/\/www.valleyhealth.com\/sites\/default\/files\/logo-white.png)](https:\/\/www.valleyhealth.com\/)\n\n[*Phone*](tel:18008255391)\n\n*Search*\n\n[Careers](https:\/\/www.valleyhealthcareers.com\/)[Patient Portals](https:\/\/www.valleyhealth.com\/patient-portals)[1-800-VALLEY 1](tel:18008255391)\n\n#### I want to\n- [Get Care Now](https:\/\/www.valleyhealth.com\/get-care-now)\n- [See a Doctor Online](https:\/\/www.valleyhealth.com\/services\/online-vmg-appointments)\n- [Download the Valley App](https:\/\/www.valleyhealth.com\/services\/valley-health-system-app)\n- [View Classes & Events](https:\/\/www.valleyhealth.com\/events)\n- [Request Home Care](https:\/\/www.valleyhealth.com\/services\/home-care)\n- [Donate to Valley](https:\/\/www.valleyhospitalfoundation.org\/)\n- [View Career Opportunities](https:\/\/www.valleyhealthcareers.com\/)\n- [Pay My Hospital Bill](https:\/\/www.patientsimple.com\/valleyhealthsys)\n- [View Hospital Estimates](https:\/\/valleyhealthsys.patientsimple.com\/guest\/#\/estimates\/patientestimate#1)\n- [Volunteer at Valley](https:\/\/www.valleyhealth.com\/volunteering)\n- [Request a Speaker](https:\/\/www.valleyhealth.com\/services\/speakers-bureau)\n- [Contact Valley](https:\/\/www.valleyhealth.com\/contact-us)\n\n- [Find a Doctor](https:\/\/doctors.valleyhealth.com\/)\n- [Services](https:\/\/www.valleyhealth.com\/services)\n  \n  Toggle submenu\n  ### Programs & Services\n  - [Breast Imaging Center](https:\/\/www.valleyhealth.com\/services\/breast-imaging-center)\n  - [Cancer Care](https:\/\/www.valleyhealth.com\/services\/cancer-care)\n  - [Center for Childbirth](https:\/\/www.valleyhealth.com\/services\/center-childbirth)\n  - [Diagnostic Imaging](https:\/\/www.valleyhealth.com\/services\/diagnostic-imaging)\n  - [Emergency Department](https:\/\/www.valleyhealth.com\/services\/emergency-department)\n  - [Family Care Center](https:\/\/www.valleyhealth.com\/services\/family-care-center)\n  - [Fertility Center](https:\/\/www.valleyhealth.com\/services\/fertility-center)\n  - [Graduate Medical Education](https:\/\/www.valleyhealth.com\/services\/graduate-medical-education)\n  - [Heart Care](https:\/\/www.valleyhealth.com\/services\/heart-care)\n  - [Home Care](https:\/\/www.valleyhealth.com\/services\/home-care)\n  - [LifeStyles Fitness Center](https:\/\/www.valleyhealth.com\/services\/lifestyles-fitness-center)\n  - [Neurosciences](https:\/\/www.valleyhealth.com\/services\/neurosciences)\n  - [Pediatric Specialty Services](https:\/\/www.valleyhealth.com\/services\/pediatric-specialty-services)\n  - [Recovery and Wellness Unit](https:\/\/www.valleyhealth.com\/services\/recovery-and-wellness-unit)\n  - [Weight Loss and Wellness](https:\/\/www.valleyhealth.com\/services\/weight-loss-and-wellness)\n  \n  [View all Services](https:\/\/www.valleyhealth.com\/services)\n- [Locations](https:\/\/www.valleyhealth.com\/locations)\n- [Patients and Visitors](https:\/\/www.valleyhealth.com\/patients-visitors)\n\n#### I want to\n- [Get Care Now](https:\/\/www.valleyhealth.com\/get-care-now)\n- [See a Doctor Online](https:\/\/www.valleyhealth.com\/services\/online-vmg-appointments)\n- [Download the Valley App](https:\/\/www.valleyhealth.com\/services\/valley-health-system-app)\n- [View Classes & Events](https:\/\/www.valleyhealth.com\/events)\n- [Request Home Care](https:\/\/www.valleyhealth.com\/services\/home-care)\n- [Donate to Valley](https:\/\/www.valleyhospitalfoundation.org\/)\n- [View Career Opportunities](https:\/\/www.valleyhealthcareers.com\/)\n- [Pay My Hospital Bill](https:\/\/www.patientsimple.com\/valleyhealthsys)\n- [View Hospital Estimates](https:\/\/valleyhealthsys.patientsimple.com\/guest\/#\/estimates\/patientestimate#1)\n- [Volunteer at Valley](https:\/\/www.valleyhealth.com\/volunteering)\n- [Request a Speaker](https:\/\/www.valleyhealth.com\/services\/speakers-bureau)\n- [Contact Valley](https:\/\/www.valleyhealth.com\/contact-us)\n\n*Search Valley Health...*\n\n#### Section Menu\n- [Arrhythmia Types](https:\/\/www.valleyhealth.com\/services\/arrhythmias\/arrhythmia-types)\n- [Arrhythmia Tests](https:\/\/www.valleyhealth.com\/services\/arrhythmias\/arrhythmia-tests)\n- [Arrhythmia Treatments](https:\/\/www.valleyhealth.com\/services\/arrhythmias\/arrhythmia-treatments)\n\n## Breadcrumb\n[Home](https:\/\/www.valleyhealth.com\/) • [Services](https:\/\/www.valleyhealth.com\/services) • Arrhythmia\n# Arrhythmia\n\n## Appointments\n[1-800-VALLEY 1](tel:1-800-VALLEY1)\n\nAn arrhythmia is an irregular heart rhythm. Arrhythmias occur when the electrical impulses that control your heartbeat don’t work properly. This causes your heart rhythm to be too slow, too fast or unpredictable.\n\nIf you have an arrhythmia, you may have symptoms like palpitations and fainting (syncope). Some types of irregular heart rhythms like atrial fibrillation (AFib) can also raise your risk for stroke and heart failure.\n\nAt Valley, our [electrophysiology](https:\/\/www.valleyhealth.com\/services\/cardiac-electrophysiology) team specializes in identifying all [types of arrhythmias](https:\/\/www.valleyhealth.com\/services\/arrhythmias\/arrhythmia-types). We can also restore your normal heart rhythm using the latest treatments that you won’t find at most hospitals.\n\n## Arrhythmia Symptoms\nSymptoms of arrhythmias include:\n\n- Pounding or fluttering sensations in the chest ([palpitations](https:\/\/www.valleyhealth.com\/services\/palpitations))\n- Lightheadedness\n- Fatigue and weakness\n- Fainting ([syncope](https:\/\/www.valleyhealth.com\/services\/syncope))\n- Shortness of breath\n- Chest pain\n- Sweating\n\nYou don’t have to suffer with the discomfort and uncertainty of arrhythmia symptoms. Our electrophysiologists can help determine the cause and recommend treatment — helping you feel better and avoid other health risks.\n\n## Types of Arrhythmias\nArrhythmias can start in the upper chambers (atria) or the lower chambers (ventricles) of your heart. Valley’s electrophysiologists specialize in treating all types of irregular heart rhythms, including the most complex. Some of the arrhythmias we identify and treat include:\n\n### Atrial Fibrillation (AFib)\n[Atrial fibrillation](https:\/\/www.valleyhealth.com\/services\/atrial-fibrillation) (AFib) is the most common arrhythmia. AFib causes the upper two chambers of your heart (atria) to quiver, which makes your heart beat quickly and erratically.\n\nIf your AFib is not under control, it can raise your risk for [stroke](https:\/\/www.valleyhealth.com\/services\/stroke-center), [heart failure](https:\/\/www.valleyhealth.com\/services\/heart-failure-center) and other health problems. Valley offers the latest treatments for AFib and other arrhythmias through the [Snyder Center for Comprehensive Atrial Fibrillation](https:\/\/www.valleyhealth.com\/services\/snyder-center-atrial-fibrillation).\n\n![afib](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-04_Atrial-Fibrillation_0.jpg)\n\n### Atrial Flutter\nLike AFib, atrial flutter begins in your heart’s upper chambers. However, atrial flutter is less erratic than AFib. Still, it can raise your risk for stroke, so it requires treatment.\n\n![atrial flutter](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-05_Atrial-Flutter_0.jpg)\n\n### Paroxysmal Supraventricular Tachycardia (PSVT)\nPSVTs are episodes of a very rapid heartbeat that starts and stops suddenly. This type of arrhythmia usually begins in your heart’s upper chambers.\n\n![supraventricular](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-35_Supraventricular-Tachy_1.jpg)\n\n### Premature Atrial Contractions (PACs) and Premature Ventricular Contractions (PVCs)\nPACs and [PVCs](https:\/\/www.valleyhealth.com\/services\/premature-ventricular-contraction) may make you feel like your heart skipped a beat. They are usually harmless and don’t require treatment unless they bother you.\n\n### Ventricular Fibrillation (VFib)\nVFib is a dangerous heart rhythm that requires emergency treatment. During VFib, the lower chambers of your heart quiver so your heart cannot pump blood properly. Delivering an electric “shock” to your heart can help restore the rhythm back to normal.\n\n### Ventricular Tachycardia (VTach)\nThis rapid heartbeat also begins in the lower chambers of your heart. Because your heart is beating so fast, it pumps less blood throughout the body.\n\n[VTach](https:\/\/www.valleyhealth.com\/services\/ventricular-tachycardia) also requires emergency treatment with an electric “shock” to your heart to return your heart rhythm back to normal.\n\n![vtach](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-30_Rate-_-120_0.jpg)\n\n### AV Nodal Re-Entrant Tachycardia (AVNRT)\nAVNRT is a common type of rapid heartbeat that occurs when your heart has more than one electrical pathway. AVNRT is not usually life-threatening, but treatment can improve symptoms like chest pain and dizziness.\n\n### Heart Block (Atrioventricular Block)\nA heart block occurs when the electrical signal in your heart gets delayed or blocked. Not all types of heart blocks are serious. But without treatment, some can lead to bradyarrhythmia (irregularly slow heartbeat) and even cardiac arrest (when your heart stops beating).\n\n![heart block](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-10_Heart-Block_1.jpg)\n\n## Arrhythmia Diagnosis at Valley\nGetting an accurate arrhythmia diagnosis ensures you receive the best possible treatment for your arrhythmia.![anatomy of the heart](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/corrected-anatomy-of-the-heart-illustration_0.jpg)\n\nAfter we take your medical history, we may recommend some tests to determine the cause of your symptoms. These may include:\n\n- **Electrocardiogram (ECG)**, a noninvasive test to evaluate the electrical activity in your heart\n- [**Echocardiogram**](https:\/\/www.valleyhealth.com\/services\/echocardiography), a noninvasive test that uses high-frequency sound waves (ultrasound) to show the size, structure and motion of your heart\n- **Chest X-ray**, which shows the size of your heart\n- **Exercise stress testing**, which checks many aspects of your heart function while you are on a treadmill or stationary bike\n- [**Ambulatory monitoring**](https:\/\/www.valleyhealth.com\/services\/electrophysiology\/care-and-procedures\/ambulatory-external-ecg-monitoring\/internal-loop-monitor), which lets us track your heart rhythm at home. We offer all types of monitors, including portable Holter monitors and implantable loop recorders.\n- [**Electrophysiology (EP) study**](https:\/\/www.valleyhealth.com\/services\/electrophysiology-studies), a minimally invasive procedure to find where the arrhythmia starts in your heart\n- [**Tilt table testing**](https:\/\/www.valleyhealth.com\/services\/tilt-table-testing), which allows us to recreate symptoms if you’ve had fainting spells (syncope) when you suddenly stand up. This helps us determine what’s causing you to faint.\n## Arrhythmia Treatment at Valley\nYour arrhythmia treatment plan may include one or more options based on your overall health and your specific needs. These include:\n\n- Lifestyle modifications\n- Medications\n- Procedures\n- Cardiac device therapy\n- [Heart surgery](https:\/\/www.valleyhealth.com\/services\/cardiac-surgery)\n### Lifestyle Modifications\nBecause [heart disease](https:\/\/www.valleyhealth.com\/services\/heart-care) causes many arrhythmias, we may recommend heart-healthy habits such as:\n\n- Exercising regularly\n- Eating a healthy diet\n- Reducing stress\n- Not smoking\n- Limiting alcohol and caffeine\n### Medications\nYour electrophysiologist may recommend certain medicines to help control your irregular heart rhythm and reduce your health risks. These may include:\n\n- **Antiarrhythmic medicines** to steady an abnormal heart rhythm. Examples are sodium channel blockers, beta blockers, potassium channel blockers and calcium channel blockers. If you take these medications, we’ll carefully monitor you for side effects or signs that your arrhythmia is getting worse.\n- **Digoxin**, a medication that can slow down heart rhythms and treat heart failure.\n- **Blood-thinners** (anticoagulants) to help prevent blood clots. If you have AFib, these medicines can reduce your risk for stroke. Examples include warfarin, rivaroxaban, apixaban and edoxaban.\n\nWe may also adjust your other medications, such as blood pressure medicines, that can affect your heart rate.\n\n### Procedures\nWe may recommend a procedure if we think it will help control your irregular heart rhythm. Procedures for arrhythmia include:\n\n- [**Cardioversion**](https:\/\/www.valleyhealth.com\/services\/cardioversion), which uses an electrical shock to reset the heart rhythm back to normal\n- [**Catheter ablation**](https:\/\/www.valleyhealth.com\/services\/cardiac-ablation), which uses hot or cold energy to interrupt pathways in your heart causing your irregular heart rhythm\n### Cardiac Device Therapy\nIn some cases, your electrophysiologist may recommend an implantable device if other treatments do not control your irregular heart rhythm. Devices for arrhythmia include:\n\n- [**A pacemaker**](https:\/\/www.valleyhealth.com\/services\/electrophysiology\/care-and-procedures\/cardiac-implantable-electronic-devices\/cardiac-pacemakers) to treat a slow heartbeat (bradycardia). This device sends low-energy electrical pulses to the heart if your heart rhythm slows or becomes erratic.\n- [**An implantable cardioverter defibrillator**](https:\/\/www.valleyhealth.com\/services\/electrophysiology\/care-and-procedures\/cardiac-implantable-electronic-devices\/implantable-cardioverter-defibrillator-icd) (ICD) to continuously monitor your heartbeat and deliver a lifesaving “shock” if your heartbeat becomes dangerously irregular.\n- **A left atrial appendage closure (LAAC) device**, like the [Watchman](https:\/\/www.valleyhealth.com\/services\/watchman-device) or [Amulet](https:\/\/www.valleyhealth.com\/services\/amulet-device), to reduce your stroke risk if you have AFib.\n### Heart Surgery\nMost people with arrhythmias don’t need heart surgery. But if other treatments have failed to improve your arrhythmia, your electrophysiologist may recommend heart surgery.\n\nIf you have severe coronary artery disease and ventricular tachycardia, [bypass surgery](https:\/\/www.valleyhealth.com\/services\/coronary-artery-bypass-grafting) can improve blood supply to your heart.\n\n## Why Choose Valley for Arrhythmia Care?\n- **Convenient, timely care**: We understand how frustrating it can be to wait to see a specialist for your heart. That’s why we aim to get you in to see our electrophysiologists within a week.\n- **An accurate diagnosis**: Our team will make every effort to get the correct diagnosis for you, even if other centers haven’t. We won’t give up until we understand the cause of your arrhythmia symptoms — and have a plan to address your symptoms.\n- **AFib expertise**: Through Valley’s Snyder Center for Comprehensive Atrial Fibrillation, we offer a team approach to treat AFib and other irregular heart rhythms. We will create a comprehensive plan that may include treatments you can’t find at most hospitals. For example, we offer the latest devices like Watchman and Amulet to reduce your risk for stroke. We also collaborate with other [heart specialists](https:\/\/www.valleyhealth.com\/services\/cardiology) at Valley on your care plan if you have AFib and heart failure.\n- **Local experts in ablation**: You don’t need to travel to the city to find experts in catheter ablation for arrhythmias. Our team is skilled at performing complex ablations using a collaborative approach where two electrophysiologists work side by side. Our electrophysiologists are also studying the latest ablation techniques through [clinical trials](https:\/\/www.valleyhealth.com\/clinical-trials?specialty%5B2211%5D=2211&specialty%5B2216%5D=2216&specialty%5B2221%5D=2221&srch=1) that are not available at many centers.\n\n![mat](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-21_MAT_0.jpg)\n\n![sinus tach](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-33_Sinus-Tachycardia_1.jpg)\n\n![sinus bradycardia](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-32_sinus-bradycardia_0.jpg)\n\n## [Arrhythmia](https:\/\/www.valleyhealth.com\/services\/arrhythmia)\n- [Arrhythmia Types](https:\/\/www.valleyhealth.com\/services\/arrhythmias\/arrhythmia-types)\n- [Arrhythmia Tests](https:\/\/www.valleyhealth.com\/services\/arrhythmias\/arrhythmia-tests)\n- [Arrhythmia Treatments](https:\/\/www.valleyhealth.com\/services\/arrhythmias\/arrhythmia-treatments)\n\n### Related Programs\n[Cardiac Electrophysiology](https:\/\/www.valleyhealth.com\/services\/cardiac-electrophysiology)   [Snyder Center for Atrial Fibrillation](https:\/\/www.valleyhealth.com\/services\/snyder-center-atrial-fibrillation)   [Heart Care](https:\/\/www.valleyhealth.com\/services\/heart-care)   [Structural Heart Program](https:\/\/www.valleyhealth.com\/services\/structural-heart-program)   [Interventional Cardiology](https:\/\/www.valleyhealth.com\/services\/interventional-cardiology)   [Heart Surgery](https:\/\/www.valleyhealth.com\/services\/cardiac-surgery)   [Cardiology](https:\/\/www.valleyhealth.com\/services\/cardiology)   [Cardiovascular Imaging](https:\/\/www.valleyhealth.com\/services\/cardiovascular-imaging)\n\nWhat's Happening\n\n## Trending at Valley\n[View All](https:\/\/www.valleyhealth.com\/trending?topics=86%7C1656)\n\n[The importance of knowing risk factors for heart disease ![provider holding a life sized model of the human heart explaining information to patient](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2026-02\/CC%20Heart%20Survey%202026_%20Trending.png?itok=4rCyW_Y0)](https:\/\/www.valleyhealth.com\/trending\/importance-knowing-risk-factors-heart-disease)\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/PTnSy6lNbEI.jpg?itok=BuOBrzAt)\n\n![Parinita Dherange, MD](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2026-02\/Parinita%20Dherange%2C%20MD_Trending_800x600.png?itok=Jzx_mjgR)\n\nMeet Parinita Dherange, MD\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/hrqO-0RQIio.jpg?itok=lbpfkYJ5)\n\n![Patricia Murphy, MD](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2026-01\/Patricia%20Murphy_Trending_800%20x%20600.png?itok=x5gQwjH0)\n\nMeet Patricia Murphy, MD\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/I_CyZEZaVxI.jpg?itok=niXs_Orh)\n\n![Kate Raiti-Palazzolo, MD](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2025-12\/Kate%20Raiti-Palazzolo%2C%20MD_Trending_800%20x%20600_0.png?itok=OhbqUW_g)\n\nMeet Kate Raiti-Palazzolo, MD\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/b9mdC8MbUCs.jpg?itok=04W9otW5)\n\nYour cardiac procedure journey: What to expect at The Valley Hospital\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/8GfXr-E4vgg.jpg?itok=l-mVME5p)\n\n![Dr. Malick sitting on chair being interviewed](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2025-10\/meet%20dr%20malick_trending_800x600.png?itok=6c1Ot1-b)\n\nMeet Waqas Malick, MD\n\n[Understanding the most common type of irregular heart rhythm – atrial fibrillation ![dr mittal looking at patient cardiac images](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2025-09\/afib%20trending%202025.png?itok=vrmhNRGv)](https:\/\/www.valleyhealth.com\/trending\/understanding-most-common-type-irregular-heart-rhythm-atrial-fibrillation)\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/KHmSdQ7J8bo.jpg?itok=998UoaXa)\n\n![Dr Jabagi viewing patient information on a screen](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2025-08\/Cardiology-The%20Ross%20Procedure%20BLANK.jpg?itok=1V-p0VXM)\n\nThe Ross procedure\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/klOwsdCuoww.jpg?itok=_00DVA9-)\n\n![cardiac imaging specialist viewing patient images](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2025-08\/Cardiology-What%20is%20CT-FFR%20BLANK.jpg?itok=n0nxTJQ8)\n\nWhat is CT-FFR?\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/ZkWYBaq0bfw.jpg?itok=fRJlG7f_)\n\n![physician looking at screen while performing Left atrial appendage closure](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2025-08\/Cardiology-Left%20Atrial%20Appendage%20Closure%20Treatment%20Options%20BLANK.jpg?itok=rrDGJkoy)\n\nLeft atrial appendage closure treatment options\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/fTA5_mPvKt8.jpg?itok=gNKYZc6V)\n\n![doctors talking about patient condition and looking at a screen](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2025-08\/Cardiology-Aortic%20Stenosis%20Treatments%20BLANK.jpg?itok=f6cnLg56)\n\nAortic stenosis treatments\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/5ViPeIRFMyI.jpg?itok=0wArtunC)\n\n![dr mittal](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2024-09\/dr%20mittal%20patient%20access_trending_800x600.png?itok=GQStUqVP)\n\nEnhancing patient access at The Valley Heart and Vascular Institute\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/8b5JQSqD3Mg.jpg?itok=0eummI8O)\n\n![structural heart physician](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2025-08\/Cardiology-Structural%20Heart%20Program%20BLANK_1.jpg?itok=w-N6xMKH)\n\nStructural heart program\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/emsZ36DtBSI.jpg?itok=cBcCK4Zn)\n\n![doctor performing interventional cardiology procedure](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2025-08\/Cardiology-Interventional%20Cardiology%20BLANK.jpg?itok=lhtSR2Pt)\n\nInterventional cardiology\n\n![](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/770_x_556\/public\/video_thumbnails\/6_-JZqR-CuM.jpg?itok=YuWMkKen)\n\n![doctors performing transcatheter edge to edge repair procedure](https:\/\/www.valleyhealth.com\/sites\/default\/files\/styles\/500x360\/public\/2025-08\/Cardiology-Transcatheter-Edge-to-Edge%20Repair%20BLANK.jpg?itok=tPlrkCB_)\n\nTranscatheter-edge-to-edge repair\n\n[![75th anniversary logo](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Valley%2075%20Years%20Lockup%20Logo%20KNOCKOUT%20Transparent.png)](https:\/\/www.valleyhealth.com\/)\n\nHow Can we Help?\n\n[1-800-VALLEY 1](tel:18008255391)\n\n[**facebook**](https:\/\/www.facebook.com\/ValleyHealthSystemNJ) [**instagram**](https:\/\/www.instagram.com\/valleyhealthsystemnj\/) [**twitter**](https:\/\/twitter.com\/valleyhealthnj) [**youtube**](https:\/\/www.youtube.com\/user\/valleyhospital\/) [**linkedin**](https:\/\/www.linkedin.com\/company\/valley-health-system_2\/)[**TikTok**](https:\/\/www.tiktok.com\/@valleyhealthsystemnj)\n\n## Explore\n- [Find a Doctor](https:\/\/doctors.valleyhealth.com\/)\n- [Locations](https:\/\/www.valleyhealth.com\/locations)\n- [Services](https:\/\/www.valleyhealth.com\/services)\n- [Make an Appointment](https:\/\/www.valleyhealth.com\/get-care-now)\n- [Bill Pay \/ Hospital Estimates](https:\/\/www.valleyhealth.com\/billing-insurance)\n- [Clinical Trials](https:\/\/www.valleyhealth.com\/clinical-trials)\n- [Careers](https:\/\/www.valleyhealthcareers.com\/)\n\n## About Us\n- [Valley Health System](https:\/\/www.valleyhealth.com\/about-us)\n- [The Valley Hospital](https:\/\/www.valleyhealth.com\/the-valley-hospital)\n- [Valley Home Care](https:\/\/www.valleyhealth.com\/services\/home-care)\n- [Valley Medical Group](https:\/\/www.valleyhealth.com\/valley-medical-group)\n- [The Valley Hospital Foundation](https:\/\/www.valleyhospitalfoundation.org\/)\n- [The Valley Hospital Auxiliary](https:\/\/www.valleyhealth.com\/services\/auxiliary)\n\n## Access\n- [Contact Us](https:\/\/www.valleyhealth.com\/contact-us)\n- [Patient Portals](https:\/\/www.valleyhealth.com\/patient-portals)\n- [Insurance](https:\/\/www.valleyhealth.com\/billing-insurance)\n- [Classes & Events](https:\/\/www.valleyhealth.com\/events)\n- [For Providers](https:\/\/www.valleyhealth.com\/for-providers)\n- [For Employers](https:\/\/www.valleyhealth.com\/services\/occupational-medicine)\n- [Newsroom](https:\/\/www.valleyhealth.com\/newsroom)\n\n## Stay Connected\nGet the latest news right to your inbox.\n\n[Sign Up Now](https:\/\/www.valleyhealth.com\/newsletter-signup)\n\n## DOWNLOAD THE VALLEY APP\nNow available on the App Store and Google Play.\n\n[![apple](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/download%20app%20store%20PNG_1.png)](https:\/\/apps.apple.com\/us\/app\/valley-health\/id1595919353) [![google](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/google-play-badge_0.png)](https:\/\/play.google.com\/store\/apps\/details?id=com.valleyhealth.xyz&hl=en_US&gl=US)\n\n[Notice of Privacy Practices](https:\/\/www.valleyhealth.com\/notice-privacy-practices) \\| [Terms of Use](https:\/\/www.valleyhealth.com\/website-terms-of-use) \\| [Website Privacy Policy](https:\/\/www.valleyhealth.com\/sites\/default\/files\/documents\/Valley%20Health%20System%20-%20vgk%20-%20Website%20Privacy%20Policy%20-20231219.pdf) \\| [Medical Identity Theft & Medicare Fraud](https:\/\/www.valleyhealth.com\/medical-identity-theft-medicare-fraud) \\| [Price Transparency](https:\/\/www.valleyhealth.com\/hospital-standard-charges)  \n[Non-Discrimination Notice – English Español 한국어 繁體中文 Kreyòl Français Italiano Polski Português Русский Tagalog](https:\/\/www.valleyhealth.com\/nondiscrimination)\n\nCopyright © 2026 Valley Health System. All rights reserved.","attrs_readable_markdown":"An arrhythmia is an irregular heart rhythm. Arrhythmias occur when the electrical impulses that control your heartbeat don’t work properly. This causes your heart rhythm to be too slow, too fast or unpredictable.\n\nIf you have an arrhythmia, you may have symptoms like palpitations and fainting (syncope). Some types of irregular heart rhythms like atrial fibrillation (AFib) can also raise your risk for stroke and heart failure.\n\nAt Valley, our [electrophysiology](https:\/\/www.valleyhealth.com\/services\/cardiac-electrophysiology) team specializes in identifying all [types of arrhythmias](https:\/\/www.valleyhealth.com\/services\/arrhythmias\/arrhythmia-types). We can also restore your normal heart rhythm using the latest treatments that you won’t find at most hospitals.\n\n## Arrhythmia Symptoms\nSymptoms of arrhythmias include:\n\n- Pounding or fluttering sensations in the chest ([palpitations](https:\/\/www.valleyhealth.com\/services\/palpitations))\n- Lightheadedness\n- Fatigue and weakness\n- Fainting ([syncope](https:\/\/www.valleyhealth.com\/services\/syncope))\n- Shortness of breath\n- Chest pain\n- Sweating\n\nYou don’t have to suffer with the discomfort and uncertainty of arrhythmia symptoms. Our electrophysiologists can help determine the cause and recommend treatment — helping you feel better and avoid other health risks.\n\n## Types of Arrhythmias\nArrhythmias can start in the upper chambers (atria) or the lower chambers (ventricles) of your heart. Valley’s electrophysiologists specialize in treating all types of irregular heart rhythms, including the most complex. Some of the arrhythmias we identify and treat include:\n\n### Atrial Fibrillation (AFib)\n[Atrial fibrillation](https:\/\/www.valleyhealth.com\/services\/atrial-fibrillation) (AFib) is the most common arrhythmia. AFib causes the upper two chambers of your heart (atria) to quiver, which makes your heart beat quickly and erratically.\n\nIf your AFib is not under control, it can raise your risk for [stroke](https:\/\/www.valleyhealth.com\/services\/stroke-center), [heart failure](https:\/\/www.valleyhealth.com\/services\/heart-failure-center) and other health problems. Valley offers the latest treatments for AFib and other arrhythmias through the [Snyder Center for Comprehensive Atrial Fibrillation](https:\/\/www.valleyhealth.com\/services\/snyder-center-atrial-fibrillation).\n\n![afib](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-04_Atrial-Fibrillation_0.jpg)\n\n### Atrial Flutter\nLike AFib, atrial flutter begins in your heart’s upper chambers. However, atrial flutter is less erratic than AFib. Still, it can raise your risk for stroke, so it requires treatment.\n\n![atrial flutter](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-05_Atrial-Flutter_0.jpg)\n\n### Paroxysmal Supraventricular Tachycardia (PSVT)\nPSVTs are episodes of a very rapid heartbeat that starts and stops suddenly. This type of arrhythmia usually begins in your heart’s upper chambers.\n\n![supraventricular](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-35_Supraventricular-Tachy_1.jpg)\n\n### Premature Atrial Contractions (PACs) and Premature Ventricular Contractions (PVCs)\nPACs and [PVCs](https:\/\/www.valleyhealth.com\/services\/premature-ventricular-contraction) may make you feel like your heart skipped a beat. They are usually harmless and don’t require treatment unless they bother you.\n\n### Ventricular Fibrillation (VFib)\nVFib is a dangerous heart rhythm that requires emergency treatment. During VFib, the lower chambers of your heart quiver so your heart cannot pump blood properly. Delivering an electric “shock” to your heart can help restore the rhythm back to normal.\n\n### Ventricular Tachycardia (VTach)\nThis rapid heartbeat also begins in the lower chambers of your heart. Because your heart is beating so fast, it pumps less blood throughout the body.\n\n[VTach](https:\/\/www.valleyhealth.com\/services\/ventricular-tachycardia) also requires emergency treatment with an electric “shock” to your heart to return your heart rhythm back to normal.\n\n![vtach](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-30_Rate-_-120_0.jpg)\n\n### AV Nodal Re-Entrant Tachycardia (AVNRT)\nAVNRT is a common type of rapid heartbeat that occurs when your heart has more than one electrical pathway. AVNRT is not usually life-threatening, but treatment can improve symptoms like chest pain and dizziness.\n\n### Heart Block (Atrioventricular Block)\nA heart block occurs when the electrical signal in your heart gets delayed or blocked. Not all types of heart blocks are serious. But without treatment, some can lead to bradyarrhythmia (irregularly slow heartbeat) and even cardiac arrest (when your heart stops beating).\n\n![heart block](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-10_Heart-Block_1.jpg)\n\n## Arrhythmia Diagnosis at Valley\nGetting an accurate arrhythmia diagnosis ensures you receive the best possible treatment for your arrhythmia.![anatomy of the heart](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/corrected-anatomy-of-the-heart-illustration_0.jpg)\n\nAfter we take your medical history, we may recommend some tests to determine the cause of your symptoms. These may include:\n\n- **Electrocardiogram (ECG)**, a noninvasive test to evaluate the electrical activity in your heart\n- [**Echocardiogram**](https:\/\/www.valleyhealth.com\/services\/echocardiography), a noninvasive test that uses high-frequency sound waves (ultrasound) to show the size, structure and motion of your heart\n- **Chest X-ray**, which shows the size of your heart\n- **Exercise stress testing**, which checks many aspects of your heart function while you are on a treadmill or stationary bike\n- [**Ambulatory monitoring**](https:\/\/www.valleyhealth.com\/services\/electrophysiology\/care-and-procedures\/ambulatory-external-ecg-monitoring\/internal-loop-monitor), which lets us track your heart rhythm at home. We offer all types of monitors, including portable Holter monitors and implantable loop recorders.\n- [**Electrophysiology (EP) study**](https:\/\/www.valleyhealth.com\/services\/electrophysiology-studies), a minimally invasive procedure to find where the arrhythmia starts in your heart\n- [**Tilt table testing**](https:\/\/www.valleyhealth.com\/services\/tilt-table-testing), which allows us to recreate symptoms if you’ve had fainting spells (syncope) when you suddenly stand up. This helps us determine what’s causing you to faint.\n## Arrhythmia Treatment at Valley\nYour arrhythmia treatment plan may include one or more options based on your overall health and your specific needs. These include:\n\n- Lifestyle modifications\n- Medications\n- Procedures\n- Cardiac device therapy\n- [Heart surgery](https:\/\/www.valleyhealth.com\/services\/cardiac-surgery)\n### Lifestyle Modifications\nBecause [heart disease](https:\/\/www.valleyhealth.com\/services\/heart-care) causes many arrhythmias, we may recommend heart-healthy habits such as:\n\n- Exercising regularly\n- Eating a healthy diet\n- Reducing stress\n- Not smoking\n- Limiting alcohol and caffeine\n### Medications\nYour electrophysiologist may recommend certain medicines to help control your irregular heart rhythm and reduce your health risks. These may include:\n\n- **Antiarrhythmic medicines** to steady an abnormal heart rhythm. Examples are sodium channel blockers, beta blockers, potassium channel blockers and calcium channel blockers. If you take these medications, we’ll carefully monitor you for side effects or signs that your arrhythmia is getting worse.\n- **Digoxin**, a medication that can slow down heart rhythms and treat heart failure.\n- **Blood-thinners** (anticoagulants) to help prevent blood clots. If you have AFib, these medicines can reduce your risk for stroke. Examples include warfarin, rivaroxaban, apixaban and edoxaban.\n\nWe may also adjust your other medications, such as blood pressure medicines, that can affect your heart rate.\n\n### Procedures\nWe may recommend a procedure if we think it will help control your irregular heart rhythm. Procedures for arrhythmia include:\n\n- [**Cardioversion**](https:\/\/www.valleyhealth.com\/services\/cardioversion), which uses an electrical shock to reset the heart rhythm back to normal\n- [**Catheter ablation**](https:\/\/www.valleyhealth.com\/services\/cardiac-ablation), which uses hot or cold energy to interrupt pathways in your heart causing your irregular heart rhythm\n### Cardiac Device Therapy\nIn some cases, your electrophysiologist may recommend an implantable device if other treatments do not control your irregular heart rhythm. Devices for arrhythmia include:\n\n- [**A pacemaker**](https:\/\/www.valleyhealth.com\/services\/electrophysiology\/care-and-procedures\/cardiac-implantable-electronic-devices\/cardiac-pacemakers) to treat a slow heartbeat (bradycardia). This device sends low-energy electrical pulses to the heart if your heart rhythm slows or becomes erratic.\n- [**An implantable cardioverter defibrillator**](https:\/\/www.valleyhealth.com\/services\/electrophysiology\/care-and-procedures\/cardiac-implantable-electronic-devices\/implantable-cardioverter-defibrillator-icd) (ICD) to continuously monitor your heartbeat and deliver a lifesaving “shock” if your heartbeat becomes dangerously irregular.\n- **A left atrial appendage closure (LAAC) device**, like the [Watchman](https:\/\/www.valleyhealth.com\/services\/watchman-device) or [Amulet](https:\/\/www.valleyhealth.com\/services\/amulet-device), to reduce your stroke risk if you have AFib.\n### Heart Surgery\nMost people with arrhythmias don’t need heart surgery. But if other treatments have failed to improve your arrhythmia, your electrophysiologist may recommend heart surgery.\n\nIf you have severe coronary artery disease and ventricular tachycardia, [bypass surgery](https:\/\/www.valleyhealth.com\/services\/coronary-artery-bypass-grafting) can improve blood supply to your heart.\n\n## Why Choose Valley for Arrhythmia Care?\n- **Convenient, timely care**: We understand how frustrating it can be to wait to see a specialist for your heart. That’s why we aim to get you in to see our electrophysiologists within a week.\n- **An accurate diagnosis**: Our team will make every effort to get the correct diagnosis for you, even if other centers haven’t. We won’t give up until we understand the cause of your arrhythmia symptoms — and have a plan to address your symptoms.\n- **AFib expertise**: Through Valley’s Snyder Center for Comprehensive Atrial Fibrillation, we offer a team approach to treat AFib and other irregular heart rhythms. We will create a comprehensive plan that may include treatments you can’t find at most hospitals. For example, we offer the latest devices like Watchman and Amulet to reduce your risk for stroke. We also collaborate with other [heart specialists](https:\/\/www.valleyhealth.com\/services\/cardiology) at Valley on your care plan if you have AFib and heart failure.\n- **Local experts in ablation**: You don’t need to travel to the city to find experts in catheter ablation for arrhythmias. Our team is skilled at performing complex ablations using a collaborative approach where two electrophysiologists work side by side. Our electrophysiologists are also studying the latest ablation techniques through [clinical trials](https:\/\/www.valleyhealth.com\/clinical-trials?specialty%5B2211%5D=2211&specialty%5B2216%5D=2216&specialty%5B2221%5D=2221&srch=1) that are not available at many centers.\n\n![mat](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-21_MAT_0.jpg)\n\n![sinus tach](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-33_Sinus-Tachycardia_1.jpg)\n\n![sinus bradycardia](https:\/\/www.valleyhealth.com\/sites\/default\/files\/inline-images\/Image-32_sinus-bradycardia_0.jpg)","meta_canonical":null}

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Boilerpipe Text	An arrhythmia is an irregular heart rhythm. Arrhythmias occur when the electrical impulses that control your heartbeat don’t work properly. This causes your heart rhythm to be too slow, too fast or unpredictable. If you have an arrhythmia, you may have symptoms like palpitations and fainting (syncope). Some types of irregular heart rhythms like atrial fibrillation (AFib) can also raise your risk for stroke and heart failure. At Valley, our electrophysiology team specializes in identifying all types of arrhythmias . We can also restore your normal heart rhythm using the latest treatments that you won’t find at most hospitals. Arrhythmia Symptoms Symptoms of arrhythmias include: Pounding or fluttering sensations in the chest ( palpitations ) Lightheadedness Fatigue and weakness Fainting ( syncope ) Shortness of breath Chest pain Sweating You don’t have to suffer with the discomfort and uncertainty of arrhythmia symptoms. Our electrophysiologists can help determine the cause and recommend treatment — helping you feel better and avoid other health risks. Types of Arrhythmias Arrhythmias can start in the upper chambers (atria) or the lower chambers (ventricles) of your heart. Valley’s electrophysiologists specialize in treating all types of irregular heart rhythms, including the most complex. Some of the arrhythmias we identify and treat include: Atrial Fibrillation (AFib) Atrial fibrillation (AFib) is the most common arrhythmia. AFib causes the upper two chambers of your heart (atria) to quiver, which makes your heart beat quickly and erratically. If your AFib is not under control, it can raise your risk for stroke , heart failure and other health problems. Valley offers the latest treatments for AFib and other arrhythmias through the Snyder Center for Comprehensive Atrial Fibrillation . Atrial Flutter Like AFib, atrial flutter begins in your heart’s upper chambers. However, atrial flutter is less erratic than AFib. Still, it can raise your risk for stroke, so it requires treatment. Paroxysmal Supraventricular Tachycardia (PSVT) PSVTs are episodes of a very rapid heartbeat that starts and stops suddenly. This type of arrhythmia usually begins in your heart’s upper chambers. Premature Atrial Contractions (PACs) and Premature Ventricular Contractions (PVCs) PACs and PVCs may make you feel like your heart skipped a beat. They are usually harmless and don’t require treatment unless they bother you. Ventricular Fibrillation (VFib) VFib is a dangerous heart rhythm that requires emergency treatment. During VFib, the lower chambers of your heart quiver so your heart cannot pump blood properly. Delivering an electric “shock” to your heart can help restore the rhythm back to normal. Ventricular Tachycardia (VTach) This rapid heartbeat also begins in the lower chambers of your heart. Because your heart is beating so fast, it pumps less blood throughout the body. VTach also requires emergency treatment with an electric “shock” to your heart to return your heart rhythm back to normal. AV Nodal Re-Entrant Tachycardia (AVNRT) AVNRT is a common type of rapid heartbeat that occurs when your heart has more than one electrical pathway. AVNRT is not usually life-threatening, but treatment can improve symptoms like chest pain and dizziness. Heart Block (Atrioventricular Block) A heart block occurs when the electrical signal in your heart gets delayed or blocked. Not all types of heart blocks are serious. But without treatment, some can lead to bradyarrhythmia (irregularly slow heartbeat) and even cardiac arrest (when your heart stops beating). Arrhythmia Diagnosis at Valley Getting an accurate arrhythmia diagnosis ensures you receive the best possible treatment for your arrhythmia. After we take your medical history, we may recommend some tests to determine the cause of your symptoms. These may include: Electrocardiogram (ECG) , a noninvasive test to evaluate the electrical activity in your heart Echocardiogram , a noninvasive test that uses high-frequency sound waves (ultrasound) to show the size, structure and motion of your heart Chest X-ray , which shows the size of your heart Exercise stress testing , which checks many aspects of your heart function while you are on a treadmill or stationary bike Ambulatory monitoring , which lets us track your heart rhythm at home. We offer all types of monitors, including portable Holter monitors and implantable loop recorders. Electrophysiology (EP) study , a minimally invasive procedure to find where the arrhythmia starts in your heart Tilt table testing , which allows us to recreate symptoms if you’ve had fainting spells (syncope) when you suddenly stand up. This helps us determine what’s causing you to faint. Arrhythmia Treatment at Valley Your arrhythmia treatment plan may include one or more options based on your overall health and your specific needs. These include: Lifestyle modifications Medications Procedures Cardiac device therapy Heart surgery Lifestyle Modifications Because heart disease causes many arrhythmias, we may recommend heart-healthy habits such as: Exercising regularly Eating a healthy diet Reducing stress Not smoking Limiting alcohol and caffeine Medications Your electrophysiologist may recommend certain medicines to help control your irregular heart rhythm and reduce your health risks. These may include: Antiarrhythmic medicines to steady an abnormal heart rhythm. Examples are sodium channel blockers, beta blockers, potassium channel blockers and calcium channel blockers. If you take these medications, we’ll carefully monitor you for side effects or signs that your arrhythmia is getting worse. Digoxin , a medication that can slow down heart rhythms and treat heart failure. Blood-thinners (anticoagulants) to help prevent blood clots. If you have AFib, these medicines can reduce your risk for stroke. Examples include warfarin, rivaroxaban, apixaban and edoxaban. We may also adjust your other medications, such as blood pressure medicines, that can affect your heart rate. Procedures We may recommend a procedure if we think it will help control your irregular heart rhythm. Procedures for arrhythmia include: Cardioversion , which uses an electrical shock to reset the heart rhythm back to normal Catheter ablation , which uses hot or cold energy to interrupt pathways in your heart causing your irregular heart rhythm Cardiac Device Therapy In some cases, your electrophysiologist may recommend an implantable device if other treatments do not control your irregular heart rhythm. Devices for arrhythmia include: A pacemaker to treat a slow heartbeat (bradycardia). This device sends low-energy electrical pulses to the heart if your heart rhythm slows or becomes erratic. An implantable cardioverter defibrillator (ICD) to continuously monitor your heartbeat and deliver a lifesaving “shock” if your heartbeat becomes dangerously irregular. A left atrial appendage closure (LAAC) device , like the Watchman or Amulet , to reduce your stroke risk if you have AFib. Heart Surgery Most people with arrhythmias don’t need heart surgery. But if other treatments have failed to improve your arrhythmia, your electrophysiologist may recommend heart surgery. If you have severe coronary artery disease and ventricular tachycardia, bypass surgery can improve blood supply to your heart. Why Choose Valley for Arrhythmia Care? Convenient, timely care : We understand how frustrating it can be to wait to see a specialist for your heart. That’s why we aim to get you in to see our electrophysiologists within a week. An accurate diagnosis : Our team will make every effort to get the correct diagnosis for you, even if other centers haven’t. We won’t give up until we understand the cause of your arrhythmia symptoms — and have a plan to address your symptoms. AFib expertise : Through Valley’s Snyder Center for Comprehensive Atrial Fibrillation, we offer a team approach to treat AFib and other irregular heart rhythms. We will create a comprehensive plan that may include treatments you can’t find at most hospitals. For example, we offer the latest devices like Watchman and Amulet to reduce your risk for stroke. We also collaborate with other heart specialists at Valley on your care plan if you have AFib and heart failure. Local experts in ablation : You don’t need to travel to the city to find experts in catheter ablation for arrhythmias. Our team is skilled at performing complex ablations using a collaborative approach where two electrophysiologists work side by side. Our electrophysiologists are also studying the latest ablation techniques through clinical trials that are not available at many centers.
Markdown	[Skip to main content](https://www.valleyhealth.com/services/arrhythmia#main-content) [![Valley Health Care Logo](https://www.valleyhealth.com/sites/default/files/images/logos/logo.png)](https://www.valleyhealth.com/) [![Valley Health Care Logo](https://www.valleyhealth.com/sites/default/files/logo-white.png)](https://www.valleyhealth.com/) [Phone](tel:18008255391) Search [Careers](https://www.valleyhealthcareers.com/)[Patient Portals](https://www.valleyhealth.com/patient-portals)[1-800-VALLEY 1](tel:18008255391) #### I want to - [Get Care Now](https://www.valleyhealth.com/get-care-now) - [See a Doctor Online](https://www.valleyhealth.com/services/online-vmg-appointments) - [Download the Valley App](https://www.valleyhealth.com/services/valley-health-system-app) - [View Classes & Events](https://www.valleyhealth.com/events) - [Request Home Care](https://www.valleyhealth.com/services/home-care) - [Donate to Valley](https://www.valleyhospitalfoundation.org/) - [View Career Opportunities](https://www.valleyhealthcareers.com/) - [Pay My Hospital Bill](https://www.patientsimple.com/valleyhealthsys) - [View Hospital Estimates](https://valleyhealthsys.patientsimple.com/guest/#/estimates/patientestimate#1) - [Volunteer at Valley](https://www.valleyhealth.com/volunteering) - [Request a Speaker](https://www.valleyhealth.com/services/speakers-bureau) - [Contact Valley](https://www.valleyhealth.com/contact-us) - [Find a Doctor](https://doctors.valleyhealth.com/) - [Services](https://www.valleyhealth.com/services) Toggle submenu ### Programs & Services - [Breast Imaging Center](https://www.valleyhealth.com/services/breast-imaging-center) - [Cancer Care](https://www.valleyhealth.com/services/cancer-care) - [Center for Childbirth](https://www.valleyhealth.com/services/center-childbirth) - [Diagnostic Imaging](https://www.valleyhealth.com/services/diagnostic-imaging) - [Emergency Department](https://www.valleyhealth.com/services/emergency-department) - [Family Care Center](https://www.valleyhealth.com/services/family-care-center) - [Fertility Center](https://www.valleyhealth.com/services/fertility-center) - [Graduate Medical Education](https://www.valleyhealth.com/services/graduate-medical-education) - [Heart Care](https://www.valleyhealth.com/services/heart-care) - [Home Care](https://www.valleyhealth.com/services/home-care) - [LifeStyles Fitness Center](https://www.valleyhealth.com/services/lifestyles-fitness-center) - [Neurosciences](https://www.valleyhealth.com/services/neurosciences) - [Pediatric Specialty Services](https://www.valleyhealth.com/services/pediatric-specialty-services) - [Recovery and Wellness Unit](https://www.valleyhealth.com/services/recovery-and-wellness-unit) - [Weight Loss and Wellness](https://www.valleyhealth.com/services/weight-loss-and-wellness) [View all Services](https://www.valleyhealth.com/services) - [Locations](https://www.valleyhealth.com/locations) - [Patients and Visitors](https://www.valleyhealth.com/patients-visitors) #### I want to - [Get Care Now](https://www.valleyhealth.com/get-care-now) - [See a Doctor Online](https://www.valleyhealth.com/services/online-vmg-appointments) - [Download the Valley App](https://www.valleyhealth.com/services/valley-health-system-app) - [View Classes & Events](https://www.valleyhealth.com/events) - [Request Home Care](https://www.valleyhealth.com/services/home-care) - [Donate to Valley](https://www.valleyhospitalfoundation.org/) - [View Career Opportunities](https://www.valleyhealthcareers.com/) - [Pay My Hospital Bill](https://www.patientsimple.com/valleyhealthsys) - [View Hospital Estimates](https://valleyhealthsys.patientsimple.com/guest/#/estimates/patientestimate#1) - [Volunteer at Valley](https://www.valleyhealth.com/volunteering) - [Request a Speaker](https://www.valleyhealth.com/services/speakers-bureau) - [Contact Valley](https://www.valleyhealth.com/contact-us) Search Valley Health... #### Section Menu - [Arrhythmia Types](https://www.valleyhealth.com/services/arrhythmias/arrhythmia-types) - [Arrhythmia Tests](https://www.valleyhealth.com/services/arrhythmias/arrhythmia-tests) - [Arrhythmia Treatments](https://www.valleyhealth.com/services/arrhythmias/arrhythmia-treatments) ## Breadcrumb [Home](https://www.valleyhealth.com/) • [Services](https://www.valleyhealth.com/services) • Arrhythmia # Arrhythmia ## Appointments [1-800-VALLEY 1](tel:1-800-VALLEY1) An arrhythmia is an irregular heart rhythm. Arrhythmias occur when the electrical impulses that control your heartbeat don’t work properly. This causes your heart rhythm to be too slow, too fast or unpredictable. If you have an arrhythmia, you may have symptoms like palpitations and fainting (syncope). Some types of irregular heart rhythms like atrial fibrillation (AFib) can also raise your risk for stroke and heart failure. At Valley, our [electrophysiology](https://www.valleyhealth.com/services/cardiac-electrophysiology) team specializes in identifying all [types of arrhythmias](https://www.valleyhealth.com/services/arrhythmias/arrhythmia-types). We can also restore your normal heart rhythm using the latest treatments that you won’t find at most hospitals. ## Arrhythmia Symptoms Symptoms of arrhythmias include: - Pounding or fluttering sensations in the chest ([palpitations](https://www.valleyhealth.com/services/palpitations)) - Lightheadedness - Fatigue and weakness - Fainting ([syncope](https://www.valleyhealth.com/services/syncope)) - Shortness of breath - Chest pain - Sweating You don’t have to suffer with the discomfort and uncertainty of arrhythmia symptoms. Our electrophysiologists can help determine the cause and recommend treatment — helping you feel better and avoid other health risks. ## Types of Arrhythmias Arrhythmias can start in the upper chambers (atria) or the lower chambers (ventricles) of your heart. Valley’s electrophysiologists specialize in treating all types of irregular heart rhythms, including the most complex. Some of the arrhythmias we identify and treat include: ### Atrial Fibrillation (AFib) [Atrial fibrillation](https://www.valleyhealth.com/services/atrial-fibrillation) (AFib) is the most common arrhythmia. AFib causes the upper two chambers of your heart (atria) to quiver, which makes your heart beat quickly and erratically. If your AFib is not under control, it can raise your risk for [stroke](https://www.valleyhealth.com/services/stroke-center), [heart failure](https://www.valleyhealth.com/services/heart-failure-center) and other health problems. Valley offers the latest treatments for AFib and other arrhythmias through the [Snyder Center for Comprehensive Atrial Fibrillation](https://www.valleyhealth.com/services/snyder-center-atrial-fibrillation). ![afib](https://www.valleyhealth.com/sites/default/files/inline-images/Image-04_Atrial-Fibrillation_0.jpg) ### Atrial Flutter Like AFib, atrial flutter begins in your heart’s upper chambers. However, atrial flutter is less erratic than AFib. Still, it can raise your risk for stroke, so it requires treatment. ![atrial flutter](https://www.valleyhealth.com/sites/default/files/inline-images/Image-05_Atrial-Flutter_0.jpg) ### Paroxysmal Supraventricular Tachycardia (PSVT) PSVTs are episodes of a very rapid heartbeat that starts and stops suddenly. This type of arrhythmia usually begins in your heart’s upper chambers. ![supraventricular](https://www.valleyhealth.com/sites/default/files/inline-images/Image-35_Supraventricular-Tachy_1.jpg) ### Premature Atrial Contractions (PACs) and Premature Ventricular Contractions (PVCs) PACs and [PVCs](https://www.valleyhealth.com/services/premature-ventricular-contraction) may make you feel like your heart skipped a beat. They are usually harmless and don’t require treatment unless they bother you. ### Ventricular Fibrillation (VFib) VFib is a dangerous heart rhythm that requires emergency treatment. During VFib, the lower chambers of your heart quiver so your heart cannot pump blood properly. Delivering an electric “shock” to your heart can help restore the rhythm back to normal. ### Ventricular Tachycardia (VTach) This rapid heartbeat also begins in the lower chambers of your heart. Because your heart is beating so fast, it pumps less blood throughout the body. [VTach](https://www.valleyhealth.com/services/ventricular-tachycardia) also requires emergency treatment with an electric “shock” to your heart to return your heart rhythm back to normal. ![vtach](https://www.valleyhealth.com/sites/default/files/inline-images/Image-30_Rate-_-120_0.jpg) ### AV Nodal Re-Entrant Tachycardia (AVNRT) AVNRT is a common type of rapid heartbeat that occurs when your heart has more than one electrical pathway. AVNRT is not usually life-threatening, but treatment can improve symptoms like chest pain and dizziness. ### Heart Block (Atrioventricular Block) A heart block occurs when the electrical signal in your heart gets delayed or blocked. Not all types of heart blocks are serious. But without treatment, some can lead to bradyarrhythmia (irregularly slow heartbeat) and even cardiac arrest (when your heart stops beating). ![heart block](https://www.valleyhealth.com/sites/default/files/inline-images/Image-10_Heart-Block_1.jpg) ## Arrhythmia Diagnosis at Valley Getting an accurate arrhythmia diagnosis ensures you receive the best possible treatment for your arrhythmia.![anatomy of the heart](https://www.valleyhealth.com/sites/default/files/inline-images/corrected-anatomy-of-the-heart-illustration_0.jpg) After we take your medical history, we may recommend some tests to determine the cause of your symptoms. These may include: - Electrocardiogram (ECG), a noninvasive test to evaluate the electrical activity in your heart - [Echocardiogram](https://www.valleyhealth.com/services/echocardiography), a noninvasive test that uses high-frequency sound waves (ultrasound) to show the size, structure and motion of your heart - Chest X-ray, which shows the size of your heart - Exercise stress testing, which checks many aspects of your heart function while you are on a treadmill or stationary bike - [Ambulatory monitoring](https://www.valleyhealth.com/services/electrophysiology/care-and-procedures/ambulatory-external-ecg-monitoring/internal-loop-monitor), which lets us track your heart rhythm at home. We offer all types of monitors, including portable Holter monitors and implantable loop recorders. - [Electrophysiology (EP) study](https://www.valleyhealth.com/services/electrophysiology-studies), a minimally invasive procedure to find where the arrhythmia starts in your heart - [Tilt table testing](https://www.valleyhealth.com/services/tilt-table-testing), which allows us to recreate symptoms if you’ve had fainting spells (syncope) when you suddenly stand up. This helps us determine what’s causing you to faint. ## Arrhythmia Treatment at Valley Your arrhythmia treatment plan may include one or more options based on your overall health and your specific needs. These include: - Lifestyle modifications - Medications - Procedures - Cardiac device therapy - [Heart surgery](https://www.valleyhealth.com/services/cardiac-surgery) ### Lifestyle Modifications Because [heart disease](https://www.valleyhealth.com/services/heart-care) causes many arrhythmias, we may recommend heart-healthy habits such as: - Exercising regularly - Eating a healthy diet - Reducing stress - Not smoking - Limiting alcohol and caffeine ### Medications Your electrophysiologist may recommend certain medicines to help control your irregular heart rhythm and reduce your health risks. These may include: - Antiarrhythmic medicines to steady an abnormal heart rhythm. Examples are sodium channel blockers, beta blockers, potassium channel blockers and calcium channel blockers. If you take these medications, we’ll carefully monitor you for side effects or signs that your arrhythmia is getting worse. - Digoxin, a medication that can slow down heart rhythms and treat heart failure. - Blood-thinners (anticoagulants) to help prevent blood clots. If you have AFib, these medicines can reduce your risk for stroke. Examples include warfarin, rivaroxaban, apixaban and edoxaban. We may also adjust your other medications, such as blood pressure medicines, that can affect your heart rate. ### Procedures We may recommend a procedure if we think it will help control your irregular heart rhythm. Procedures for arrhythmia include: - [Cardioversion](https://www.valleyhealth.com/services/cardioversion), which uses an electrical shock to reset the heart rhythm back to normal - [Catheter ablation](https://www.valleyhealth.com/services/cardiac-ablation), which uses hot or cold energy to interrupt pathways in your heart causing your irregular heart rhythm ### Cardiac Device Therapy In some cases, your electrophysiologist may recommend an implantable device if other treatments do not control your irregular heart rhythm. Devices for arrhythmia include: - [A pacemaker](https://www.valleyhealth.com/services/electrophysiology/care-and-procedures/cardiac-implantable-electronic-devices/cardiac-pacemakers) to treat a slow heartbeat (bradycardia). This device sends low-energy electrical pulses to the heart if your heart rhythm slows or becomes erratic. - [An implantable cardioverter defibrillator](https://www.valleyhealth.com/services/electrophysiology/care-and-procedures/cardiac-implantable-electronic-devices/implantable-cardioverter-defibrillator-icd) (ICD) to continuously monitor your heartbeat and deliver a lifesaving “shock” if your heartbeat becomes dangerously irregular. - A left atrial appendage closure (LAAC) device, like the [Watchman](https://www.valleyhealth.com/services/watchman-device) or [Amulet](https://www.valleyhealth.com/services/amulet-device), to reduce your stroke risk if you have AFib. ### Heart Surgery Most people with arrhythmias don’t need heart surgery. But if other treatments have failed to improve your arrhythmia, your electrophysiologist may recommend heart surgery. If you have severe coronary artery disease and ventricular tachycardia, [bypass surgery](https://www.valleyhealth.com/services/coronary-artery-bypass-grafting) can improve blood supply to your heart. ## Why Choose Valley for Arrhythmia Care? - Convenient, timely care: We understand how frustrating it can be to wait to see a specialist for your heart. That’s why we aim to get you in to see our electrophysiologists within a week. - An accurate diagnosis: Our team will make every effort to get the correct diagnosis for you, even if other centers haven’t. We won’t give up until we understand the cause of your arrhythmia symptoms — and have a plan to address your symptoms. - AFib expertise: Through Valley’s Snyder Center for Comprehensive Atrial Fibrillation, we offer a team approach to treat AFib and other irregular heart rhythms. We will create a comprehensive plan that may include treatments you can’t find at most hospitals. For example, we offer the latest devices like Watchman and Amulet to reduce your risk for stroke. We also collaborate with other [heart specialists](https://www.valleyhealth.com/services/cardiology) at Valley on your care plan if you have AFib and heart failure. - Local experts in ablation: You don’t need to travel to the city to find experts in catheter ablation for arrhythmias. Our team is skilled at performing complex ablations using a collaborative approach where two electrophysiologists work side by side. Our electrophysiologists are also studying the latest ablation techniques through [clinical trials](https://www.valleyhealth.com/clinical-trials?specialty%5B2211%5D=2211&specialty%5B2216%5D=2216&specialty%5B2221%5D=2221&srch=1) that are not available at many centers. ![mat](https://www.valleyhealth.com/sites/default/files/inline-images/Image-21_MAT_0.jpg) ![sinus tach](https://www.valleyhealth.com/sites/default/files/inline-images/Image-33_Sinus-Tachycardia_1.jpg) ![sinus bradycardia](https://www.valleyhealth.com/sites/default/files/inline-images/Image-32_sinus-bradycardia_0.jpg) ## [Arrhythmia](https://www.valleyhealth.com/services/arrhythmia) - [Arrhythmia Types](https://www.valleyhealth.com/services/arrhythmias/arrhythmia-types) - [Arrhythmia Tests](https://www.valleyhealth.com/services/arrhythmias/arrhythmia-tests) - [Arrhythmia Treatments](https://www.valleyhealth.com/services/arrhythmias/arrhythmia-treatments) ### Related Programs [Cardiac Electrophysiology](https://www.valleyhealth.com/services/cardiac-electrophysiology) [Snyder Center for Atrial Fibrillation](https://www.valleyhealth.com/services/snyder-center-atrial-fibrillation) [Heart Care](https://www.valleyhealth.com/services/heart-care) [Structural Heart Program](https://www.valleyhealth.com/services/structural-heart-program) [Interventional Cardiology](https://www.valleyhealth.com/services/interventional-cardiology) [Heart Surgery](https://www.valleyhealth.com/services/cardiac-surgery) [Cardiology](https://www.valleyhealth.com/services/cardiology) [Cardiovascular Imaging](https://www.valleyhealth.com/services/cardiovascular-imaging) What's Happening ## Trending at Valley [View All](https://www.valleyhealth.com/trending?topics=86%7C1656) [The importance of knowing risk factors for heart disease ![provider holding a life sized model of the human heart explaining information to patient](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2026-02/CC%20Heart%20Survey%202026_%20Trending.png?itok=4rCyW_Y0)](https://www.valleyhealth.com/trending/importance-knowing-risk-factors-heart-disease) ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/PTnSy6lNbEI.jpg?itok=BuOBrzAt) ![Parinita Dherange, MD](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2026-02/Parinita%20Dherange%2C%20MD_Trending_800x600.png?itok=Jzx_mjgR) Meet Parinita Dherange, MD ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/hrqO-0RQIio.jpg?itok=lbpfkYJ5) ![Patricia Murphy, MD](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2026-01/Patricia%20Murphy_Trending_800%20x%20600.png?itok=x5gQwjH0) Meet Patricia Murphy, MD ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/I_CyZEZaVxI.jpg?itok=niXs_Orh) ![Kate Raiti-Palazzolo, MD](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2025-12/Kate%20Raiti-Palazzolo%2C%20MD_Trending_800%20x%20600_0.png?itok=OhbqUW_g) Meet Kate Raiti-Palazzolo, MD ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/b9mdC8MbUCs.jpg?itok=04W9otW5) Your cardiac procedure journey: What to expect at The Valley Hospital ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/8GfXr-E4vgg.jpg?itok=l-mVME5p) ![Dr. Malick sitting on chair being interviewed](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2025-10/meet%20dr%20malick_trending_800x600.png?itok=6c1Ot1-b) Meet Waqas Malick, MD [Understanding the most common type of irregular heart rhythm – atrial fibrillation ![dr mittal looking at patient cardiac images](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2025-09/afib%20trending%202025.png?itok=vrmhNRGv)](https://www.valleyhealth.com/trending/understanding-most-common-type-irregular-heart-rhythm-atrial-fibrillation) ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/KHmSdQ7J8bo.jpg?itok=998UoaXa) ![Dr Jabagi viewing patient information on a screen](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2025-08/Cardiology-The%20Ross%20Procedure%20BLANK.jpg?itok=1V-p0VXM) The Ross procedure ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/klOwsdCuoww.jpg?itok=_00DVA9-) ![cardiac imaging specialist viewing patient images](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2025-08/Cardiology-What%20is%20CT-FFR%20BLANK.jpg?itok=n0nxTJQ8) What is CT-FFR? ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/ZkWYBaq0bfw.jpg?itok=fRJlG7f_) ![physician looking at screen while performing Left atrial appendage closure](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2025-08/Cardiology-Left%20Atrial%20Appendage%20Closure%20Treatment%20Options%20BLANK.jpg?itok=rrDGJkoy) Left atrial appendage closure treatment options ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/fTA5_mPvKt8.jpg?itok=gNKYZc6V) ![doctors talking about patient condition and looking at a screen](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2025-08/Cardiology-Aortic%20Stenosis%20Treatments%20BLANK.jpg?itok=f6cnLg56) Aortic stenosis treatments ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/5ViPeIRFMyI.jpg?itok=0wArtunC) ![dr mittal](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2024-09/dr%20mittal%20patient%20access_trending_800x600.png?itok=GQStUqVP) Enhancing patient access at The Valley Heart and Vascular Institute ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/8b5JQSqD3Mg.jpg?itok=0eummI8O) ![structural heart physician](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2025-08/Cardiology-Structural%20Heart%20Program%20BLANK_1.jpg?itok=w-N6xMKH) Structural heart program ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/emsZ36DtBSI.jpg?itok=cBcCK4Zn) ![doctor performing interventional cardiology procedure](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2025-08/Cardiology-Interventional%20Cardiology%20BLANK.jpg?itok=lhtSR2Pt) Interventional cardiology ![](https://www.valleyhealth.com/sites/default/files/styles/770_x_556/public/video_thumbnails/6_-JZqR-CuM.jpg?itok=YuWMkKen) ![doctors performing transcatheter edge to edge repair procedure](https://www.valleyhealth.com/sites/default/files/styles/500x360/public/2025-08/Cardiology-Transcatheter-Edge-to-Edge%20Repair%20BLANK.jpg?itok=tPlrkCB_) Transcatheter-edge-to-edge repair [![75th anniversary logo](https://www.valleyhealth.com/sites/default/files/inline-images/Valley%2075%20Years%20Lockup%20Logo%20KNOCKOUT%20Transparent.png)](https://www.valleyhealth.com/) How Can we Help? 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Readable Markdown	An arrhythmia is an irregular heart rhythm. Arrhythmias occur when the electrical impulses that control your heartbeat don’t work properly. This causes your heart rhythm to be too slow, too fast or unpredictable. If you have an arrhythmia, you may have symptoms like palpitations and fainting (syncope). Some types of irregular heart rhythms like atrial fibrillation (AFib) can also raise your risk for stroke and heart failure. At Valley, our [electrophysiology](https://www.valleyhealth.com/services/cardiac-electrophysiology) team specializes in identifying all [types of arrhythmias](https://www.valleyhealth.com/services/arrhythmias/arrhythmia-types). We can also restore your normal heart rhythm using the latest treatments that you won’t find at most hospitals. ## Arrhythmia Symptoms Symptoms of arrhythmias include: - Pounding or fluttering sensations in the chest ([palpitations](https://www.valleyhealth.com/services/palpitations)) - Lightheadedness - Fatigue and weakness - Fainting ([syncope](https://www.valleyhealth.com/services/syncope)) - Shortness of breath - Chest pain - Sweating You don’t have to suffer with the discomfort and uncertainty of arrhythmia symptoms. Our electrophysiologists can help determine the cause and recommend treatment — helping you feel better and avoid other health risks. ## Types of Arrhythmias Arrhythmias can start in the upper chambers (atria) or the lower chambers (ventricles) of your heart. Valley’s electrophysiologists specialize in treating all types of irregular heart rhythms, including the most complex. Some of the arrhythmias we identify and treat include: ### Atrial Fibrillation (AFib) [Atrial fibrillation](https://www.valleyhealth.com/services/atrial-fibrillation) (AFib) is the most common arrhythmia. AFib causes the upper two chambers of your heart (atria) to quiver, which makes your heart beat quickly and erratically. If your AFib is not under control, it can raise your risk for [stroke](https://www.valleyhealth.com/services/stroke-center), [heart failure](https://www.valleyhealth.com/services/heart-failure-center) and other health problems. Valley offers the latest treatments for AFib and other arrhythmias through the [Snyder Center for Comprehensive Atrial Fibrillation](https://www.valleyhealth.com/services/snyder-center-atrial-fibrillation). ![afib](https://www.valleyhealth.com/sites/default/files/inline-images/Image-04_Atrial-Fibrillation_0.jpg) ### Atrial Flutter Like AFib, atrial flutter begins in your heart’s upper chambers. However, atrial flutter is less erratic than AFib. Still, it can raise your risk for stroke, so it requires treatment. ![atrial flutter](https://www.valleyhealth.com/sites/default/files/inline-images/Image-05_Atrial-Flutter_0.jpg) ### Paroxysmal Supraventricular Tachycardia (PSVT) PSVTs are episodes of a very rapid heartbeat that starts and stops suddenly. This type of arrhythmia usually begins in your heart’s upper chambers. ![supraventricular](https://www.valleyhealth.com/sites/default/files/inline-images/Image-35_Supraventricular-Tachy_1.jpg) ### Premature Atrial Contractions (PACs) and Premature Ventricular Contractions (PVCs) PACs and [PVCs](https://www.valleyhealth.com/services/premature-ventricular-contraction) may make you feel like your heart skipped a beat. They are usually harmless and don’t require treatment unless they bother you. ### Ventricular Fibrillation (VFib) VFib is a dangerous heart rhythm that requires emergency treatment. During VFib, the lower chambers of your heart quiver so your heart cannot pump blood properly. Delivering an electric “shock” to your heart can help restore the rhythm back to normal. ### Ventricular Tachycardia (VTach) This rapid heartbeat also begins in the lower chambers of your heart. Because your heart is beating so fast, it pumps less blood throughout the body. [VTach](https://www.valleyhealth.com/services/ventricular-tachycardia) also requires emergency treatment with an electric “shock” to your heart to return your heart rhythm back to normal. ![vtach](https://www.valleyhealth.com/sites/default/files/inline-images/Image-30_Rate-_-120_0.jpg) ### AV Nodal Re-Entrant Tachycardia (AVNRT) AVNRT is a common type of rapid heartbeat that occurs when your heart has more than one electrical pathway. AVNRT is not usually life-threatening, but treatment can improve symptoms like chest pain and dizziness. ### Heart Block (Atrioventricular Block) A heart block occurs when the electrical signal in your heart gets delayed or blocked. Not all types of heart blocks are serious. But without treatment, some can lead to bradyarrhythmia (irregularly slow heartbeat) and even cardiac arrest (when your heart stops beating). ![heart block](https://www.valleyhealth.com/sites/default/files/inline-images/Image-10_Heart-Block_1.jpg) ## Arrhythmia Diagnosis at Valley Getting an accurate arrhythmia diagnosis ensures you receive the best possible treatment for your arrhythmia.![anatomy of the heart](https://www.valleyhealth.com/sites/default/files/inline-images/corrected-anatomy-of-the-heart-illustration_0.jpg) After we take your medical history, we may recommend some tests to determine the cause of your symptoms. These may include: - Electrocardiogram (ECG), a noninvasive test to evaluate the electrical activity in your heart - [Echocardiogram](https://www.valleyhealth.com/services/echocardiography), a noninvasive test that uses high-frequency sound waves (ultrasound) to show the size, structure and motion of your heart - Chest X-ray, which shows the size of your heart - Exercise stress testing, which checks many aspects of your heart function while you are on a treadmill or stationary bike - [Ambulatory monitoring](https://www.valleyhealth.com/services/electrophysiology/care-and-procedures/ambulatory-external-ecg-monitoring/internal-loop-monitor), which lets us track your heart rhythm at home. We offer all types of monitors, including portable Holter monitors and implantable loop recorders. - [Electrophysiology (EP) study](https://www.valleyhealth.com/services/electrophysiology-studies), a minimally invasive procedure to find where the arrhythmia starts in your heart - [Tilt table testing](https://www.valleyhealth.com/services/tilt-table-testing), which allows us to recreate symptoms if you’ve had fainting spells (syncope) when you suddenly stand up. This helps us determine what’s causing you to faint. ## Arrhythmia Treatment at Valley Your arrhythmia treatment plan may include one or more options based on your overall health and your specific needs. These include: - Lifestyle modifications - Medications - Procedures - Cardiac device therapy - [Heart surgery](https://www.valleyhealth.com/services/cardiac-surgery) ### Lifestyle Modifications Because [heart disease](https://www.valleyhealth.com/services/heart-care) causes many arrhythmias, we may recommend heart-healthy habits such as: - Exercising regularly - Eating a healthy diet - Reducing stress - Not smoking - Limiting alcohol and caffeine ### Medications Your electrophysiologist may recommend certain medicines to help control your irregular heart rhythm and reduce your health risks. These may include: - Antiarrhythmic medicines to steady an abnormal heart rhythm. Examples are sodium channel blockers, beta blockers, potassium channel blockers and calcium channel blockers. If you take these medications, we’ll carefully monitor you for side effects or signs that your arrhythmia is getting worse. - Digoxin, a medication that can slow down heart rhythms and treat heart failure. - Blood-thinners (anticoagulants) to help prevent blood clots. If you have AFib, these medicines can reduce your risk for stroke. Examples include warfarin, rivaroxaban, apixaban and edoxaban. We may also adjust your other medications, such as blood pressure medicines, that can affect your heart rate. ### Procedures We may recommend a procedure if we think it will help control your irregular heart rhythm. Procedures for arrhythmia include: - [Cardioversion](https://www.valleyhealth.com/services/cardioversion), which uses an electrical shock to reset the heart rhythm back to normal - [Catheter ablation](https://www.valleyhealth.com/services/cardiac-ablation), which uses hot or cold energy to interrupt pathways in your heart causing your irregular heart rhythm ### Cardiac Device Therapy In some cases, your electrophysiologist may recommend an implantable device if other treatments do not control your irregular heart rhythm. Devices for arrhythmia include: - [A pacemaker](https://www.valleyhealth.com/services/electrophysiology/care-and-procedures/cardiac-implantable-electronic-devices/cardiac-pacemakers) to treat a slow heartbeat (bradycardia). This device sends low-energy electrical pulses to the heart if your heart rhythm slows or becomes erratic. - [An implantable cardioverter defibrillator](https://www.valleyhealth.com/services/electrophysiology/care-and-procedures/cardiac-implantable-electronic-devices/implantable-cardioverter-defibrillator-icd) (ICD) to continuously monitor your heartbeat and deliver a lifesaving “shock” if your heartbeat becomes dangerously irregular. - A left atrial appendage closure (LAAC) device, like the [Watchman](https://www.valleyhealth.com/services/watchman-device) or [Amulet](https://www.valleyhealth.com/services/amulet-device), to reduce your stroke risk if you have AFib. ### Heart Surgery Most people with arrhythmias don’t need heart surgery. But if other treatments have failed to improve your arrhythmia, your electrophysiologist may recommend heart surgery. If you have severe coronary artery disease and ventricular tachycardia, [bypass surgery](https://www.valleyhealth.com/services/coronary-artery-bypass-grafting) can improve blood supply to your heart. ## Why Choose Valley for Arrhythmia Care? - Convenient, timely care: We understand how frustrating it can be to wait to see a specialist for your heart. That’s why we aim to get you in to see our electrophysiologists within a week. - An accurate diagnosis: Our team will make every effort to get the correct diagnosis for you, even if other centers haven’t. We won’t give up until we understand the cause of your arrhythmia symptoms — and have a plan to address your symptoms. - AFib expertise: Through Valley’s Snyder Center for Comprehensive Atrial Fibrillation, we offer a team approach to treat AFib and other irregular heart rhythms. We will create a comprehensive plan that may include treatments you can’t find at most hospitals. For example, we offer the latest devices like Watchman and Amulet to reduce your risk for stroke. We also collaborate with other [heart specialists](https://www.valleyhealth.com/services/cardiology) at Valley on your care plan if you have AFib and heart failure. - Local experts in ablation: You don’t need to travel to the city to find experts in catheter ablation for arrhythmias. Our team is skilled at performing complex ablations using a collaborative approach where two electrophysiologists work side by side. Our electrophysiologists are also studying the latest ablation techniques through [clinical trials](https://www.valleyhealth.com/clinical-trials?specialty%5B2211%5D=2211&specialty%5B2216%5D=2216&specialty%5B2221%5D=2221&srch=1) that are not available at many centers. ![mat](https://www.valleyhealth.com/sites/default/files/inline-images/Image-21_MAT_0.jpg) ![sinus tach](https://www.valleyhealth.com/sites/default/files/inline-images/Image-33_Sinus-Tachycardia_1.jpg) ![sinus bradycardia](https://www.valleyhealth.com/sites/default/files/inline-images/Image-32_sinus-bradycardia_0.jpg)
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