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What Is a Heart Attack? - NHLBI, NIH
A heart attack is a life-threatening medical emergency that requires immediate treatment. Learn about prevention, symptoms, causes, and treatments for heart attacks.
Heart Attack - Causes and Risk Factors | NHLBI, NIH
What causes a heart attack? The most common cause of a heart attack is coronary artery disease, which is the most common type of heart disease. This is when your coronary artery cannot carry enough oxygen-rich blood to your heart muscle.
Heart Attack - Recovery | NHLBI, NIH
Most people survive heart attacks and live active, full lives. If you get help quickly, your treatment can limit damage to your heart muscle. Less heart damage and healthy lifestyle changes improve your chances of a better quality of life after a heart attack.
Heart Attack - Symptoms | NHLBI, NIH
Heart attack symptoms can start slowly and can be mild or more serious and sudden. Learn more about symptoms for heart attacks.
Heart Attack - Heart Attacks in Women | NHLBI, NIH
The causes, risk factors, and symptoms of a heart attack can be different in women compared with men. Learn about the symptoms and causes for heart attacks in women.
Coronary Heart Disease - Risk Factors | NHLBI, NIH
Learn about the risk factors for coronary heart disease such as age, environment, other diseases, family history and genetics, lifestyle habits, race and ethnicity, and mental health and social factors.
Heart Attack - Treatment | NHLBI, NIH
Your doctor or emergency medical personnel may start treatment even before they confirm that you are having a heart attack. Early treatment to remove the blood clot or plaque can prevent or limit damage to your heart, help your heart work better, and save your life.
Heart Attack - Diagnosis | NHLBI, NIH
During a heart attack, heart muscle cells die and release proteins into your bloodstream. Blood tests can measure the amount of these proteins in your blood. For example, you may get a troponin test to measure the amount of a protein called troponin in your blood. Troponin leaks when heart muscle cells die during a heart attack. Blood tests often are repeated to check for changes over time.
Physical Activity and Your Heart - Benefits | NHLBI, NIH
Blocked blood flow to the heart muscle causes a heart attack. Certain traits, conditions, or habits may raise your risk for coronary heart disease. Physical activity can help control some of these risk factors by: Lowering blood pressure and triglycerides (a type of fat in the blood)
Cholesterol & Your Heart: What You Need to Know - NHLBI, NIH
LDL deposits cholesterol inside the blood vessels that carry blood to your heart and other parts of your body. Over time, this may cause your arteries to narrow or get blocked, which can cause a heart attack, stroke, or other health problems.
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