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| Meta Title | Heart Attack: Symptoms, Causes, Diagnosis, Prevention, More |
| Meta Description | During a heart attack, blood supply that normally nourishes the heart with oxygen is cut off and the heart muscle begins to die. Here’s what you should know. |
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| Boilerpipe Text | Heart attacks are very common in the United States. About
805,000
heart attacks occur each year, or roughly one every 40 seconds.
Chest pain is the most common warning sign of a heart attack. But other symptoms can also occur, like lightheadedness, nausea, and shortness of breath.
Symptoms can be severe or mild and often vary from one person to the next. Some people may not even notice any warning signs of a heart attack.
This article will take a closer look what causes a heart attack, how to recognize it, what steps to take, and what to expect for treatment.
A heart attack, also known as a
myocardial infarction
, occurs when blood flow to the heart is blocked or cut off. If there’s not enough oxygen-rich blood flowing to the heart, it can damage the affected area. As a result, the heart muscle begins to die.
When your heart isn’t getting the blood and oxygen it needs to function properly, it can put you at a higher risk of
heart failure
and other serious complications.
A heart attack is a life threatening medical emergency
If you, or someone around you, experiences the symptoms of a heart attack, call 911 or your local emergency services immediately. The sooner you can get medical treatment that restores normal blood flow to your heart, the better your chance of a successful outcome.
General symptoms for a heart attack can include:
chest pain or discomfort
shortness of breath
pain in your arm, shoulder, or neck
nausea
sweating
lightheadedness
or
dizziness
fatigue
upper body pain
trouble breathing
Anyone experiencing any of the above heart attack symptoms should contact emergency services immediately.
How heart attack symptoms vary between men and women
Many people experience a mix of heart attack symptoms regardless of sex or gender. However, there are sex-specific differences in the presentation, biology, and outcomes of heart attacks.
A
2019 study
found that chest pain was the most common symptom regardless of sex. According to the
American Heart Association (AHA)
, females are somewhat more likely than men to experience the following heart attack symptoms:
shortness of breath
nausea or vomiting
pain in the upper back or jaw
dizziness or lightheadedness
extreme fatigue
How heart attack symptoms may differ for people with diabetes
People with diabetes are
more likely
to have
silent heart attacks
compared to people who don’t have diabetes. A silent heart attack means you don’t experience symptoms, but there’s still damage to your heart.
This may be due to
cardiac autonomic neuropathy
, a type of nerve damage that’s a common complication of
diabetes
. It may interfere with the ability to feel chest pain caused by a heart attack.
The
leading
cause of heart attacks is
coronary heart disease
. That’s when plaque builds up in the arteries that supply blood to the heart. The general buildup of plaque in the arteries is also known as
atherosclerosis
.
Type 1:
The heart attack occurs when a sudden disruption of blood flow occurs due to plaque rupture or a blood clot.
Type 2:
The lack of oxygen supply to the heart is not due to an event but a systemic issue, like low blood pressure or a fast heart rate.
Other causes of heart attacks include:
torn blood vessels
blood vessel spasms
drug misuse
hypoxia (lack of oxygen to tissue) or
hypoxemia
(lack of blood oxygen)
Doctors typically diagnose a heart attack after they perform a physical exam and review your medical history. A doctor will likely conduct an
electrocardiogram (ECG)
to check your heart’s electrical activity.
Your healthcare team will likely also take a blood sample or perform other tests to check for evidence of heart muscle damage. One common test checks for levels of
troponin T
, a protein found in the heart muscle. Elevated troponin T levels may suggest a heart attack.
Diagnostic imaging can help doctors see how blood is flowing through the heart and detect if any parts have been damaged.
Cardiac catheterization
is a test that allows a doctor to visualize blood flow and treat blockages. A doctor may also perform other imaging tests to evaluate the heart,
including
:
echocardiogram
CT
coronary angiogram
cardiac MRI
stress testing
If you’ve had a heart attack, a doctor may recommend a surgical or nonsurgical procedure. These procedures can relieve pain and help prevent another heart attack from occurring.
Angioplasty:
An
angioplasty
opens the blocked artery by using a balloon or removing the plaque buildup. Healthcare professionals rarely use angioplasty alone anymore.
Stent:
A stent is a wire mesh tube surgeons insert into the artery to keep it open after angioplasty.
Heart bypass surgery:
In
bypass surgery
, a doctor reroutes the blood around the blockage.
Heart transplant:
Surgeons may recommend a
heart transplant
in cases of serious and irreversible heart failure.
A doctor may also prescribe
medications
to treat your heart attack, including:
aspirin
other drugs to
break up clots
antiplatelet and anticoagulants
, also known as
blood thinners
pain relievers
nitroglycerin
blood pressure medication
beta-blockers
cholesterol-lowering medication like
statins
Timing is crucial
Timely treatment of a heart attack is crucial. The sooner you get treatment after having a heart attack, the more quickly blood flow can be restored to the affected part of your heart, and the more successful the outcome is likely to be.
Doctors who treat heart attacks
Since heart attacks are often unexpected, an emergency room doctor is usually the first healthcare professional to diagnose a heart attack. They may also provide initial medications to break up the blood clot.
The emergency doctor will transfer you to a
cardiologist
, a doctor who specializes in treating heart conditions. Cardiologists perform procedures to treat heart attacks and oversee their management and recovery.
If you are with someone who’s experiencing symptoms of a heart attack, call emergency services immediately and follow the instructions they give you regarding what to do.
Most businesses and many public places have AEDs, but if one isn’t present, continue to perform CPR until help arrives. Giving CPR can help pump oxygenated blood through a person’s body until emergency services arrive.
The sooner a person can get emergency medical attention, the less damage their heart muscle will likely sustain.
If you suspect you’re having a heart attack, the
AHA
advises calling 911 or your local emergency services immediately, rather than attempting to drive yourself to the hospital.
Paramedics can begin treating you when they arrive and monitor you on the way to the emergency department.
Follow the instructions of the emergency personnel on whether to take an aspirin and let them know if you have any medication allergies or bleeding. The antiplatelet qualities of aspirin may help break up the clot that might be blocking blood flow to your heart.
If possible, ask a family member, friend, or neighbor to be with you while you wait for the ambulance or are undergoing treatment at the hospital.
Heart attacks can result in various complications. When a heart attack occurs, it can disrupt your heart’s normal rhythm, potentially stopping it altogether. These abnormal rhythms are known as
arrhythmias
and can cause sudden cardiac death.
When your heart stops getting a supply of blood during a heart attack, some of the heart tissue can die. This can weaken your heart and cause serious complications such as
heart failure
.
Heart attacks can also affect your heart valves and cause leaks.
The long-term effects on your heart will depend on how long it takes to receive medical treatment and how much damage your heart sustains.
A heart attack can damage your heart muscles and affect their function. This can include changing your heart’s rhythm and reducing its ability to pump blood effectively to all the organs and tissues in your body.
Following a heart attack, it’s essential to work with your healthcare team to design a
recovery plan
. This plan may include the following lifestyle changes:
participating in light or moderate exercise, according to what your doctor approves
eating a nutrient-dense,
balanced diet
low in saturated and trans fats
losing weight
if you’re carrying extra weight
quitting smoking
if you smoke
monitoring your blood sugar levels
closely if you have diabetes
taking steps to keep your
blood pressure
and
cholesterol
within a healthy range
avoiding strenuous activities, especially shortly after the heart attack
undergoing
cardiac rehabilitation
While some risk factors are beyond your control, you can take some basic steps to help keep your heart healthy. Examples
include
:
Eat a healthy, balanced diet:
Try to incorporate
heart-healthy foods
, like lean proteins, whole grains, fruits, vegetables, and low fat dairy, as often as possible. Limit fatty, fried foods and foods that contain simple sugars like sodas, baked goods, and white bread.
Exercise regularly:
Aim for at least
150 minutes
of physical activity a week for optimum heart health.
Quit smoking:
If you smoke, consider talking with a doctor about starting a
smoking cessation program
.
Limit your alcohol intake:
Moderation is key when it comes to alcohol and heart health. If you do drink, limit yourself to
one drink per day
for women or two drinks per day for men.
Get your cholesterol levels checked:
If your
LDL cholesterol
or
triglycerides
are higher than they should be, talk with a doctor about what you need to do to lower them.
Manage diabetes:
If you have diabetes, take your medications as prescribed and check your blood glucose levels regularly.
Work with a doctor:
If you have a heart condition, work closely with a doctor and follow your treatment plan, which includes taking your medications.
Most people who have a heart attack survive. Still, it’s important to know how to reduce your risk and how to respond if you experience symptoms of a heart attack.
While chest pain is the most common symptom, it’s only one of several common signs of a heart attack. If you think you may be having a heart attack, call for emergency medical help immediately. The sooner you get treatment for a heart attack, the better the outcome will likely be.
Doctors can use various tests to diagnose a heart attack and guide treatment. Effective treatment plans help restore blood flow and minimize complications.
If you have any risk factors for a heart attack, talk with a doctor about steps you can take to lower your risk. |
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Explore more in
- Causes & Risk Factors
- Diagnosis
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- Prevention
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Heart Attack
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- ### Diagnosis
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- ### Symptoms
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- ### Home Remedies
Home Remedies
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# Heart Attack Symptoms, Causes, and Treatment
[Medically reviewed]() by [Angela Ryan Lee, MD, FACC]() — Written by Tricia Kinman and James Roland — [Updated on July 16, 2025]()
- [Heart attack definition](https://www.healthline.com/health/heart-attack#heart-attack-definition)
- [Symptoms](https://www.healthline.com/health/heart-attack#symptoms)
- [Causes](https://www.healthline.com/health/heart-attack#causes)
- [Risk factors](https://www.healthline.com/health/heart-attack#risk-factors)
- [Diagnosis](https://www.healthline.com/health/heart-attack#diagnosis)
- [Treatment](https://www.healthline.com/health/heart-attack#treatment)
- [Helping others](https://www.healthline.com/health/heart-attack#helping-others)
- [What to do](https://www.healthline.com/health/heart-attack#what-to-do)
- [Complications](https://www.healthline.com/health/heart-attack#complications)
- [Recovery](https://www.healthline.com/health/heart-attack#recovery)
- [Prevention](https://www.healthline.com/health/heart-attack#prevention)
- [Takeaway](https://www.healthline.com/health/heart-attack#takeaway)
### Key takeaways
- A heart attack happens when blood flow to the heart is blocked. Recognizing symptoms like chest pain, nausea, lightheadedness, and pain that radiates to the neck, jaw, and upper arms is crucial for quick treatment.
- The primary cause of heart attacks is plaque buildup in the arteries. But risk factors like smoking, high cholesterol, and a sedentary lifestyle can be modified to lower your chances of having a heart attack.
- If you think you or someone you’re with is having a heart attack, call emergency services immediately. Prompt treatment is essential to restore blood flow and minimize heart damage.
Heart attacks are very common in the United States. About [805,000](https://www.ahajournals.org/doi/epub/10.1161/CIR.0000000000001123) heart attacks occur each year, or roughly one every 40 seconds.
Chest pain is the most common warning sign of a heart attack. But other symptoms can also occur, like lightheadedness, nausea, and shortness of breath.
Symptoms can be severe or mild and often vary from one person to the next. Some people may not even notice any warning signs of a heart attack.
This article will take a closer look what causes a heart attack, how to recognize it, what steps to take, and what to expect for treatment.
## [What is a heart attack?]()
A heart attack, also known as a [myocardial infarction](https://www.healthline.com/health/acute-myocardial-infarction), occurs when blood flow to the heart is blocked or cut off. If there’s not enough oxygen-rich blood flowing to the heart, it can damage the affected area. As a result, the heart muscle begins to die.
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When your heart isn’t getting the blood and oxygen it needs to function properly, it can put you at a higher risk of [heart failure](https://www.healthline.com/health/heart-failure) and other serious complications.
> **A heart attack is a life threatening medical emergency**
>
> If you, or someone around you, experiences the symptoms of a heart attack, call 911 or your local emergency services immediately. The sooner you can get medical treatment that restores normal blood flow to your heart, the better your chance of a successful outcome.
## [What are the symptoms of a heart attack?]()
General symptoms for a heart attack can include:
- chest pain or discomfort
- [shortness of breath](https://www.healthline.com/health/what-does-shortness-of-breath-feel-like)
- pain in your arm, shoulder, or neck
- [nausea](https://www.healthline.com/health/nausea)
- [sweating](https://www.healthline.com/health/sweating)
- [lightheadedness](https://www.healthline.com/health/lightheadedness) or [dizziness](https://www.healthline.com/health/sudden-dizziness-2)
- [fatigue](https://www.healthline.com/health/fatigue)
- upper body pain
- trouble breathing
Anyone experiencing any of the above heart attack symptoms should contact emergency services immediately.
**»MORE:**[What Does a Heart Attack Feel Like?](https://www.healthline.com/health/what-does-a-heart-attack-feel-like)
### How heart attack symptoms vary between men and women
Many people experience a mix of heart attack symptoms regardless of sex or gender. However, there are sex-specific differences in the presentation, biology, and outcomes of heart attacks.
A [2019 study](https://www.ahajournals.org/doi/10.1161/JAHA.119.012307) found that chest pain was the most common symptom regardless of sex. According to the [American Heart Association (AHA)](https://www.heart.org/en/health-topics/heart-attack/warning-signs-of-a-heart-attack/heart-attack-symptoms-in-women), females are somewhat more likely than men to experience the following heart attack symptoms:
- shortness of breath
- nausea or vomiting
- pain in the upper back or jaw
- dizziness or lightheadedness
- extreme fatigue
### How heart attack symptoms may differ for people with diabetes
People with diabetes are [more likely](https://www.ncbi.nlm.nih.gov/books/NBK536915/) to have [silent heart attacks](https://www.healthline.com/health/heart-attack/what-to-know-about-a-silent-heart-attack) compared to people who don’t have diabetes. A silent heart attack means you don’t experience symptoms, but there’s still damage to your heart.
This may be due to [cardiac autonomic neuropathy](https://pmc.ncbi.nlm.nih.gov/articles/PMC10757526/), a type of nerve damage that’s a common complication of [diabetes](https://www.healthline.com/health/diabetes). It may interfere with the ability to feel chest pain caused by a heart attack.
### Angina vs. heart attack
Angina is chest pain caused by reduced blood flow to the heart. It’s the pain you feel during a heart attack, but it’s also a symptom of heart disease due to blockages in the arteries that supply blood to your heart.
Some people experience frequent and predictable bouts of angina with triggers like exertion. Known as chronic [stable angina](https://www.healthline.com/health/stable-angina), this usually eases with rest within about [5 minutes](https://www.heart.org/en/health-topics/heart-attack/angina-chest-pain/angina-pectoris-stable-angina).
However, angina that’s new or changed may be due to a heart attack. If your chest pain doesn’t subside with rest or lasts longer than usual, you may be having a heart attack.
**» MORE:** [How to Tell the Difference Between Angina and a Heart Attack](https://www.healthline.com/health/heart/angina-vs-heart-attack)
## [What causes a heart attack?]()
The [leading](https://www.nhs.uk/conditions/heart-attack/) cause of heart attacks is [coronary heart disease](https://www.healthline.com/health/heart-disease/causes-risks). That’s when plaque builds up in the arteries that supply blood to the heart. The general buildup of plaque in the arteries is also known as [atherosclerosis](https://www.healthline.com/health/atherosclerosis).
Doctors can [classify heart attacks](https://pmc.ncbi.nlm.nih.gov/articles/PMC11929526/) according to the cause:
- **Type 1:** The heart attack occurs when a sudden disruption of blood flow occurs due to plaque rupture or a blood clot.
- **Type 2:** The lack of oxygen supply to the heart is not due to an event but a systemic issue, like low blood pressure or a fast heart rate.
Other causes of heart attacks include:
- torn blood vessels
- [blood vessel spasms](https://www.healthline.com/health/coronary-artery-spasm)
- drug misuse
- hypoxia (lack of oxygen to tissue) or [hypoxemia](https://www.healthline.com/health/hypoxemia) (lack of blood oxygen)
## [What are the risk factors for a heart attack?]()
[Several factors](https://www.heart.org/en/health-topics/heart-attack/understand-your-risks-to-prevent-a-heart-attack) can put you at greater risk of a heart attack. You can’t change some factors, such as [age](https://www.healthline.com/health/heart-attack/heart-attack-age) and [family history](https://www.healthline.com/health/heart-disease/family-history-faqs).
However, you can make changes related to the following modifiable risk factors:
- [smoking](https://www.healthline.com/health/smoking/effects-on-body)
- [high cholesterol](https://www.healthline.com/health/high-cholesterol)
- [obesity](https://www.healthline.com/health/obesity)
- [lack of exercise](https://www.healthline.com/health/heart-disease/exercise-statistics)
- [high levels of stress](https://www.healthline.com/health/heart-disease/stress-is-a-factor-that-contributes-to-heart-disease-risk)
- [diabetes or prediabetes](https://www.healthline.com/health/type-2-diabetes/why-heart-disease-complication)
- eating a diet high in [trans fats](https://www.healthline.com/nutrition/why-trans-fats-are-bad) and [saturated fats](https://www.healthline.com/nutrition/saturated-fat)
- [excessive alcohol consumption](https://www.healthline.com/health/alcohol/effects-on-body)
- [sleep apnea](https://www.healthline.com/health/sleep/obstructive-sleep-apnea)
Heart disease is the [leading cause](https://www.cdc.gov/heart-disease/data-research/facts-stats/index.html) of death among most ethnic and racial groups in the United States and the most common cause of heart attacks.
People of any age or sex can have a heart attack. However, your [risk of a heart attack](https://www.heart.org/en/health-topics/heart-attack/understand-your-risks-to-prevent-a-heart-attack) increases with age. Older adults are most likely to have heart attacks. Males are more likely to have heart attacks earlier in life. Heart disease risk increases in females [after menopause](https://www.ahajournals.org/doi/10.1161/CIR.0000000000000912).
You may be at higher risk of a heart attack if you have a family history of any of the following:
- heart disease
- high blood pressure
- high cholesterol
- obesity
- diabetes
## [How do doctors diagnose a heart attack?]()
Doctors typically diagnose a heart attack after they perform a physical exam and review your medical history. A doctor will likely conduct an [electrocardiogram (ECG)](https://www.healthline.com/health/electrocardiogram) to check your heart’s electrical activity.
Your healthcare team will likely also take a blood sample or perform other tests to check for evidence of heart muscle damage. One common test checks for levels of [troponin T](https://www.healthline.com/health/troponin-levels), a protein found in the heart muscle. Elevated troponin T levels may suggest a heart attack.
Diagnostic imaging can help doctors see how blood is flowing through the heart and detect if any parts have been damaged. [Cardiac catheterization](https://www.healthline.com/health/cardiac-catheterization) is a test that allows a doctor to visualize blood flow and treat blockages. A doctor may also perform other imaging tests to evaluate the heart, [including](https://www.ncbi.nlm.nih.gov/books/NBK537076/):
- [echocardiogram](https://www.healthline.com/health/echocardiogram)
- CT [coronary angiogram](https://www.healthline.com/health/coronary-angiography)
- [cardiac MRI](https://www.healthline.com/health/heart-mri)
- [stress testing](https://www.healthline.com/health/exercise-stress-test)
## [What is the treatment for a heart attack?]()
If you’ve had a heart attack, a doctor may recommend a surgical or nonsurgical procedure. These procedures can relieve pain and help prevent another heart attack from occurring.
Common procedures [include](https://www.heart.org/en/health-topics/heart-attack/treatment-of-a-heart-attack):
- **Angioplasty:** An [angioplasty](https://www.healthline.com/health/angioplasty-and-stent-placement-heart) opens the blocked artery by using a balloon or removing the plaque buildup. Healthcare professionals rarely use angioplasty alone anymore.
- **Stent:** A stent is a wire mesh tube surgeons insert into the artery to keep it open after angioplasty.
- **Heart bypass surgery:** In [bypass surgery](https://www.healthline.com/health/heart-bypass-surgery?isLazyLoad=false), a doctor reroutes the blood around the blockage.
- **Heart transplant:** Surgeons may recommend a [heart transplant](https://www.healthline.com/health/heart-disease/transplants) in cases of serious and irreversible heart failure.
A doctor may also prescribe [medications](https://www.healthline.com/health/heart-attack/drugs) to treat your heart attack, including:
- aspirin
- other drugs to [break up clots](https://www.healthline.com/health/thrombolytics-vs-anticoagulants)
- [antiplatelet and anticoagulants](https://www.healthline.com/health/anticoagulant-and-antiplatelet-drugs), also known as [blood thinners](https://www.healthline.com/health/heart-disease/blood-thinners)
- pain relievers
- [nitroglycerin](https://www.healthline.com/health/nitroglycerin-sublingual-tablet)
- [blood pressure medication](https://www.healthline.com/health/high-blood-pressure-hypertension-medication)
- [beta-blockers](https://www.healthline.com/health/heart-disease/beta-blockers)
- cholesterol-lowering medication like [statins](https://www.healthline.com/health/high-cholesterol/statins-uses-side-effects)
> **Timing is crucial**
>
> Timely treatment of a heart attack is crucial. The sooner you get treatment after having a heart attack, the more quickly blood flow can be restored to the affected part of your heart, and the more successful the outcome is likely to be.
### Doctors who treat heart attacks
Since heart attacks are often unexpected, an emergency room doctor is usually the first healthcare professional to diagnose a heart attack. They may also provide initial medications to break up the blood clot.
The emergency doctor will transfer you to a [cardiologist](https://www.healthline.com/health/heart-health/first-cardiologist-appointment), a doctor who specializes in treating heart conditions. Cardiologists perform procedures to treat heart attacks and oversee their management and recovery.
## [How to help someone having a heart attack]()
If you are with someone who’s experiencing symptoms of a heart attack, call emergency services immediately and follow the instructions they give you regarding what to do.
If the person isn’t responsive and doesn’t have a pulse, doing [cardiopulmonary resuscitation (CPR)](https://www.healthline.com/health/first-aid/cpr) or using an [automated external defibrillator (AED)](https://www.healthline.com/health/first-aid/how-to-use-a-defibrillator) can be lifesaving.
Most businesses and many public places have AEDs, but if one isn’t present, continue to perform CPR until help arrives. Giving CPR can help pump oxygenated blood through a person’s body until emergency services arrive.
The sooner a person can get emergency medical attention, the less damage their heart muscle will likely sustain.
## [What should you do if you have a heart attack?]()
If you suspect you’re having a heart attack, the [AHA](https://www.heart.org/en/health-topics/heart-attack/warning-signs-of-a-heart-attack) advises calling 911 or your local emergency services immediately, rather than attempting to drive yourself to the hospital.
Paramedics can begin treating you when they arrive and monitor you on the way to the emergency department.
Follow the instructions of the emergency personnel on whether to take an aspirin and let them know if you have any medication allergies or bleeding. The antiplatelet qualities of aspirin may help break up the clot that might be blocking blood flow to your heart.
If possible, ask a family member, friend, or neighbor to be with you while you wait for the ambulance or are undergoing treatment at the hospital.
### Timely treatment for women who have heart attacks
Because females are more likely to experience atypical heart attack symptoms, they tend to wait longer to contact emergency services, according to a [2019 Swiss study](https://journals.sagepub.com/doi/10.1177/2048872618810410). Researchers also found that women tend to experience greater delays in receiving treatment in emergency settings.
Recognizing the [symptoms of heart attacks in females](https://www.healthline.com/health/heart-attack-women-symptoms) can make a big difference in getting timely treatment.
## [What are the possible complications of a heart attack?]()
Heart attacks can result in various complications. When a heart attack occurs, it can disrupt your heart’s normal rhythm, potentially stopping it altogether. These abnormal rhythms are known as [arrhythmias](https://www.healthline.com/health/arrhythmia) and can cause sudden cardiac death.
When your heart stops getting a supply of blood during a heart attack, some of the heart tissue can die. This can weaken your heart and cause serious complications such as [heart failure](https://www.healthline.com/health/heart-failure).
Heart attacks can also affect your heart valves and cause leaks.
The long-term effects on your heart will depend on how long it takes to receive medical treatment and how much damage your heart sustains.
## [What to expect during recovery after a heart attack]()
A heart attack can damage your heart muscles and affect their function. This can include changing your heart’s rhythm and reducing its ability to pump blood effectively to all the organs and tissues in your body.
Following a heart attack, it’s essential to work with your healthcare team to design a [recovery plan](https://www.healthline.com/health/heart-disease/dos-and-donts-after-heart-attack). This plan may include the following lifestyle changes:
- participating in light or moderate exercise, according to what your doctor approves
- eating a nutrient-dense, [balanced diet](https://www.healthline.com/health/balanced-diet) low in saturated and trans fats
- [losing weight](https://www.healthline.com/nutrition/how-to-lose-weight-as-fast-as-possible) if you’re carrying extra weight
- [quitting smoking](https://www.healthline.com/health/quit-smoking) if you smoke
- [monitoring your blood sugar levels](https://www.healthline.com/health/blood-glucose-monitoring) closely if you have diabetes
- taking steps to keep your [blood pressure](https://www.healthline.com/health/blood-pressure-chart) and [cholesterol](https://www.healthline.com/health/high-cholesterol/levels-by-age) within a healthy range
- avoiding strenuous activities, especially shortly after the heart attack
- undergoing [cardiac rehabilitation](https://www.healthline.com/health/heart-attack/physical-therapy-after-heart-attack)
## [How to prevent a heart attack]()
While some risk factors are beyond your control, you can take some basic steps to help keep your heart healthy. Examples [include](https://www.heart.org/en/healthy-living/healthy-lifestyle/lifes-essential-8):
- **Eat a healthy, balanced diet:** Try to incorporate [heart-healthy foods](https://www.healthline.com/nutrition/heart-healthy-foods), like lean proteins, whole grains, fruits, vegetables, and low fat dairy, as often as possible. Limit fatty, fried foods and foods that contain simple sugars like sodas, baked goods, and white bread.
- **Exercise regularly:** Aim for at least
[150 minutes](https://www.heart.org/en/healthy-living/fitness/fitness-basics/aha-recs-for-physical-activity-in-adults)
of physical activity a week for optimum heart health.
- **Quit smoking:** If you smoke, consider talking with a doctor about starting a [smoking cessation program](https://www.healthline.com/health/smoking-cessation-options).
- **Limit your alcohol intake:** Moderation is key when it comes to alcohol and heart health. If you do drink, limit yourself to
[one drink per day](https://www.cdc.gov/alcohol/about-alcohol-use/moderate-alcohol-use.html)
for women or two drinks per day for men.
- **Get your cholesterol levels checked:** If your [LDL cholesterol](https://www.healthline.com/health/ldl-cholesterol) or [triglycerides](https://www.healthline.com/health/triglycerides) are higher than they should be, talk with a doctor about what you need to do to lower them.
- **Manage diabetes:** If you have diabetes, take your medications as prescribed and check your blood glucose levels regularly.
- **Work with a doctor:** If you have a heart condition, work closely with a doctor and follow your treatment plan, which includes taking your medications.
## [The bottom line]()
Most people who have a heart attack survive. Still, it’s important to know how to reduce your risk and how to respond if you experience symptoms of a heart attack.
While chest pain is the most common symptom, it’s only one of several common signs of a heart attack. If you think you may be having a heart attack, call for emergency medical help immediately. The sooner you get treatment for a heart attack, the better the outcome will likely be.
Doctors can use various tests to diagnose a heart attack and guide treatment. Effective treatment plans help restore blood flow and minimize complications.
If you have any risk factors for a heart attack, talk with a doctor about steps you can take to lower your risk.
### How we reviewed this article:
Sources
History
Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical journals and associations. We only use quality, credible sources to ensure content accuracy and integrity. You can learn more about how we ensure our content is accurate and current by reading our [editorial policy](https://www.healthline.com/about/process).
- About heart attack symptoms, risk, and recovery. (2024).
<https://www.cdc.gov/heart-disease/about/heart-attack.html>
- About moderate alcohol use. (2025).
<https://www.cdc.gov/alcohol/about-alcohol-use/moderate-alcohol-use.html>
- American Heart Association recommendations for physical activity in adults and kids. (2024).
<https://www.heart.org/en/healthy-living/fitness/fitness-basics/aha-recs-for-physical-activity-in-adults>
- DeFilippis AP, et al. (2025). Defining myocardial infarction: Grades of severity or different aetiology.
<https://pmc.ncbi.nlm.nih.gov/articles/PMC11929526/>
- El Khoudary SR, et al. (2020). Menopause transition and cardiovascular disease risk: Implications for timing of early prevention: A scientific statement from the American Heart Association.
<https://www.ahajournals.org/doi/10.1161/CIR.0000000000000912>
- Ferry AV, et al. (2019). Presenting symptoms in men and women diagnosed with myocardial infarction using sex-specific criteria.
<https://www.ahajournals.org/doi/10.1161/JAHA.119.012307>
- Heart attack. (n.d.).
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- Heart attack: Overview. (2023).
<https://www.nhs.uk/conditions/heart-attack>
- Heart disease facts. (2024).
<https://www.cdc.gov/heart-disease/data-research/facts-stats/index.html>
- Kaze AD, et al. (2023). Cardiac autonomic dysfunction and risk of silent myocardial infarction among adults with type 2 diabetes.
<https://pmc.ncbi.nlm.nih.gov/articles/PMC10757526/>
- Life’s Essential 8. (n.d.).
<https://www.heart.org/en/healthy-living/healthy-lifestyle/lifes-essential-8>
- Meyer MR, et al. (2019). Gender differences in patient and system delay for primary percutaneous coronary intervention: Current trends in a Swiss ST-segment elevation myocardial infarction population.
<https://pubmed.ncbi.nlm.nih.gov/30406673/>
- Ojha N, et al. (2023). Myocardial infarction.
<https://www.ncbi.nlm.nih.gov/books/NBK537076/>
- Shams P, et al. (2024). Silent myocardial ischemia.
<https://www.ncbi.nlm.nih.gov/books/NBK536915/>
- Tsao CW, et al. (2023). Heart disease and stroke statistics—2023 update: A report from the American Heart Association.
<https://www.ahajournals.org/doi/epub/10.1161/CIR.0000000000001123>
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[Medically reviewed]() by [Angela Ryan Lee, MD, FACC]() — Written by Tricia Kinman and James Roland — [Updated on July 16, 2025]()
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| Readable Markdown | Heart attacks are very common in the United States. About [805,000](https://www.ahajournals.org/doi/epub/10.1161/CIR.0000000000001123) heart attacks occur each year, or roughly one every 40 seconds.
Chest pain is the most common warning sign of a heart attack. But other symptoms can also occur, like lightheadedness, nausea, and shortness of breath.
Symptoms can be severe or mild and often vary from one person to the next. Some people may not even notice any warning signs of a heart attack.
This article will take a closer look what causes a heart attack, how to recognize it, what steps to take, and what to expect for treatment.
A heart attack, also known as a [myocardial infarction](https://www.healthline.com/health/acute-myocardial-infarction), occurs when blood flow to the heart is blocked or cut off. If there’s not enough oxygen-rich blood flowing to the heart, it can damage the affected area. As a result, the heart muscle begins to die.
When your heart isn’t getting the blood and oxygen it needs to function properly, it can put you at a higher risk of [heart failure](https://www.healthline.com/health/heart-failure) and other serious complications.
> **A heart attack is a life threatening medical emergency**
>
> If you, or someone around you, experiences the symptoms of a heart attack, call 911 or your local emergency services immediately. The sooner you can get medical treatment that restores normal blood flow to your heart, the better your chance of a successful outcome.
General symptoms for a heart attack can include:
- chest pain or discomfort
- [shortness of breath](https://www.healthline.com/health/what-does-shortness-of-breath-feel-like)
- pain in your arm, shoulder, or neck
- [nausea](https://www.healthline.com/health/nausea)
- [sweating](https://www.healthline.com/health/sweating)
- [lightheadedness](https://www.healthline.com/health/lightheadedness) or [dizziness](https://www.healthline.com/health/sudden-dizziness-2)
- [fatigue](https://www.healthline.com/health/fatigue)
- upper body pain
- trouble breathing
Anyone experiencing any of the above heart attack symptoms should contact emergency services immediately.
How heart attack symptoms vary between men and women
Many people experience a mix of heart attack symptoms regardless of sex or gender. However, there are sex-specific differences in the presentation, biology, and outcomes of heart attacks.
A [2019 study](https://www.ahajournals.org/doi/10.1161/JAHA.119.012307) found that chest pain was the most common symptom regardless of sex. According to the [American Heart Association (AHA)](https://www.heart.org/en/health-topics/heart-attack/warning-signs-of-a-heart-attack/heart-attack-symptoms-in-women), females are somewhat more likely than men to experience the following heart attack symptoms:
- shortness of breath
- nausea or vomiting
- pain in the upper back or jaw
- dizziness or lightheadedness
- extreme fatigue
How heart attack symptoms may differ for people with diabetes
People with diabetes are [more likely](https://www.ncbi.nlm.nih.gov/books/NBK536915/) to have [silent heart attacks](https://www.healthline.com/health/heart-attack/what-to-know-about-a-silent-heart-attack) compared to people who don’t have diabetes. A silent heart attack means you don’t experience symptoms, but there’s still damage to your heart.
This may be due to [cardiac autonomic neuropathy](https://pmc.ncbi.nlm.nih.gov/articles/PMC10757526/), a type of nerve damage that’s a common complication of [diabetes](https://www.healthline.com/health/diabetes). It may interfere with the ability to feel chest pain caused by a heart attack.
The [leading](https://www.nhs.uk/conditions/heart-attack/) cause of heart attacks is [coronary heart disease](https://www.healthline.com/health/heart-disease/causes-risks). That’s when plaque builds up in the arteries that supply blood to the heart. The general buildup of plaque in the arteries is also known as [atherosclerosis](https://www.healthline.com/health/atherosclerosis).
- **Type 1:** The heart attack occurs when a sudden disruption of blood flow occurs due to plaque rupture or a blood clot.
- **Type 2:** The lack of oxygen supply to the heart is not due to an event but a systemic issue, like low blood pressure or a fast heart rate.
Other causes of heart attacks include:
- torn blood vessels
- [blood vessel spasms](https://www.healthline.com/health/coronary-artery-spasm)
- drug misuse
- hypoxia (lack of oxygen to tissue) or [hypoxemia](https://www.healthline.com/health/hypoxemia) (lack of blood oxygen)
Doctors typically diagnose a heart attack after they perform a physical exam and review your medical history. A doctor will likely conduct an [electrocardiogram (ECG)](https://www.healthline.com/health/electrocardiogram) to check your heart’s electrical activity.
Your healthcare team will likely also take a blood sample or perform other tests to check for evidence of heart muscle damage. One common test checks for levels of [troponin T](https://www.healthline.com/health/troponin-levels), a protein found in the heart muscle. Elevated troponin T levels may suggest a heart attack.
Diagnostic imaging can help doctors see how blood is flowing through the heart and detect if any parts have been damaged. [Cardiac catheterization](https://www.healthline.com/health/cardiac-catheterization) is a test that allows a doctor to visualize blood flow and treat blockages. A doctor may also perform other imaging tests to evaluate the heart, [including](https://www.ncbi.nlm.nih.gov/books/NBK537076/):
- [echocardiogram](https://www.healthline.com/health/echocardiogram)
- CT [coronary angiogram](https://www.healthline.com/health/coronary-angiography)
- [cardiac MRI](https://www.healthline.com/health/heart-mri)
- [stress testing](https://www.healthline.com/health/exercise-stress-test)
If you’ve had a heart attack, a doctor may recommend a surgical or nonsurgical procedure. These procedures can relieve pain and help prevent another heart attack from occurring.
- **Angioplasty:** An [angioplasty](https://www.healthline.com/health/angioplasty-and-stent-placement-heart) opens the blocked artery by using a balloon or removing the plaque buildup. Healthcare professionals rarely use angioplasty alone anymore.
- **Stent:** A stent is a wire mesh tube surgeons insert into the artery to keep it open after angioplasty.
- **Heart bypass surgery:** In [bypass surgery](https://www.healthline.com/health/heart-bypass-surgery?isLazyLoad=false), a doctor reroutes the blood around the blockage.
- **Heart transplant:** Surgeons may recommend a [heart transplant](https://www.healthline.com/health/heart-disease/transplants) in cases of serious and irreversible heart failure.
A doctor may also prescribe [medications](https://www.healthline.com/health/heart-attack/drugs) to treat your heart attack, including:
- aspirin
- other drugs to [break up clots](https://www.healthline.com/health/thrombolytics-vs-anticoagulants)
- [antiplatelet and anticoagulants](https://www.healthline.com/health/anticoagulant-and-antiplatelet-drugs), also known as [blood thinners](https://www.healthline.com/health/heart-disease/blood-thinners)
- pain relievers
- [nitroglycerin](https://www.healthline.com/health/nitroglycerin-sublingual-tablet)
- [blood pressure medication](https://www.healthline.com/health/high-blood-pressure-hypertension-medication)
- [beta-blockers](https://www.healthline.com/health/heart-disease/beta-blockers)
- cholesterol-lowering medication like [statins](https://www.healthline.com/health/high-cholesterol/statins-uses-side-effects)
> **Timing is crucial**
>
> Timely treatment of a heart attack is crucial. The sooner you get treatment after having a heart attack, the more quickly blood flow can be restored to the affected part of your heart, and the more successful the outcome is likely to be.
Doctors who treat heart attacks
Since heart attacks are often unexpected, an emergency room doctor is usually the first healthcare professional to diagnose a heart attack. They may also provide initial medications to break up the blood clot.
The emergency doctor will transfer you to a [cardiologist](https://www.healthline.com/health/heart-health/first-cardiologist-appointment), a doctor who specializes in treating heart conditions. Cardiologists perform procedures to treat heart attacks and oversee their management and recovery.
If you are with someone who’s experiencing symptoms of a heart attack, call emergency services immediately and follow the instructions they give you regarding what to do.
Most businesses and many public places have AEDs, but if one isn’t present, continue to perform CPR until help arrives. Giving CPR can help pump oxygenated blood through a person’s body until emergency services arrive.
The sooner a person can get emergency medical attention, the less damage their heart muscle will likely sustain.
If you suspect you’re having a heart attack, the [AHA](https://www.heart.org/en/health-topics/heart-attack/warning-signs-of-a-heart-attack) advises calling 911 or your local emergency services immediately, rather than attempting to drive yourself to the hospital.
Paramedics can begin treating you when they arrive and monitor you on the way to the emergency department.
Follow the instructions of the emergency personnel on whether to take an aspirin and let them know if you have any medication allergies or bleeding. The antiplatelet qualities of aspirin may help break up the clot that might be blocking blood flow to your heart.
If possible, ask a family member, friend, or neighbor to be with you while you wait for the ambulance or are undergoing treatment at the hospital.
Heart attacks can result in various complications. When a heart attack occurs, it can disrupt your heart’s normal rhythm, potentially stopping it altogether. These abnormal rhythms are known as [arrhythmias](https://www.healthline.com/health/arrhythmia) and can cause sudden cardiac death.
When your heart stops getting a supply of blood during a heart attack, some of the heart tissue can die. This can weaken your heart and cause serious complications such as [heart failure](https://www.healthline.com/health/heart-failure).
Heart attacks can also affect your heart valves and cause leaks.
The long-term effects on your heart will depend on how long it takes to receive medical treatment and how much damage your heart sustains.
A heart attack can damage your heart muscles and affect their function. This can include changing your heart’s rhythm and reducing its ability to pump blood effectively to all the organs and tissues in your body.
Following a heart attack, it’s essential to work with your healthcare team to design a [recovery plan](https://www.healthline.com/health/heart-disease/dos-and-donts-after-heart-attack). This plan may include the following lifestyle changes:
- participating in light or moderate exercise, according to what your doctor approves
- eating a nutrient-dense, [balanced diet](https://www.healthline.com/health/balanced-diet) low in saturated and trans fats
- [losing weight](https://www.healthline.com/nutrition/how-to-lose-weight-as-fast-as-possible) if you’re carrying extra weight
- [quitting smoking](https://www.healthline.com/health/quit-smoking) if you smoke
- [monitoring your blood sugar levels](https://www.healthline.com/health/blood-glucose-monitoring) closely if you have diabetes
- taking steps to keep your [blood pressure](https://www.healthline.com/health/blood-pressure-chart) and [cholesterol](https://www.healthline.com/health/high-cholesterol/levels-by-age) within a healthy range
- avoiding strenuous activities, especially shortly after the heart attack
- undergoing [cardiac rehabilitation](https://www.healthline.com/health/heart-attack/physical-therapy-after-heart-attack)
While some risk factors are beyond your control, you can take some basic steps to help keep your heart healthy. Examples [include](https://www.heart.org/en/healthy-living/healthy-lifestyle/lifes-essential-8):
- **Eat a healthy, balanced diet:** Try to incorporate [heart-healthy foods](https://www.healthline.com/nutrition/heart-healthy-foods), like lean proteins, whole grains, fruits, vegetables, and low fat dairy, as often as possible. Limit fatty, fried foods and foods that contain simple sugars like sodas, baked goods, and white bread.
- **Exercise regularly:** Aim for at least
[150 minutes](https://www.heart.org/en/healthy-living/fitness/fitness-basics/aha-recs-for-physical-activity-in-adults)
of physical activity a week for optimum heart health.
- **Quit smoking:** If you smoke, consider talking with a doctor about starting a [smoking cessation program](https://www.healthline.com/health/smoking-cessation-options).
- **Limit your alcohol intake:** Moderation is key when it comes to alcohol and heart health. If you do drink, limit yourself to
[one drink per day](https://www.cdc.gov/alcohol/about-alcohol-use/moderate-alcohol-use.html)
for women or two drinks per day for men.
- **Get your cholesterol levels checked:** If your [LDL cholesterol](https://www.healthline.com/health/ldl-cholesterol) or [triglycerides](https://www.healthline.com/health/triglycerides) are higher than they should be, talk with a doctor about what you need to do to lower them.
- **Manage diabetes:** If you have diabetes, take your medications as prescribed and check your blood glucose levels regularly.
- **Work with a doctor:** If you have a heart condition, work closely with a doctor and follow your treatment plan, which includes taking your medications.
Most people who have a heart attack survive. Still, it’s important to know how to reduce your risk and how to respond if you experience symptoms of a heart attack.
While chest pain is the most common symptom, it’s only one of several common signs of a heart attack. If you think you may be having a heart attack, call for emergency medical help immediately. The sooner you get treatment for a heart attack, the better the outcome will likely be.
Doctors can use various tests to diagnose a heart attack and guide treatment. Effective treatment plans help restore blood flow and minimize complications.
If you have any risk factors for a heart attack, talk with a doctor about steps you can take to lower your risk. |
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