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Myocardial infarction risk factors

How long does a heart attack take to kill you

Pathophysiology of myocardial infarction

Causes of myocardial infarction

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Myocardial infarction

Interruption of cardiac blood supply

"Heart attack" redirects here. For other uses, see Heart attack (disambiguation).

Not to be confused with cardiac arrest, heart failure, or heart block.

Medical condition

Myocardial infarction
Other names	Acute myocardial infarction (AMI), heart attack

A myocardial infarction occurs when an atheroscleroticplaque slowly builds up in the inner lining of a coronary artery and then suddenly ruptures, causing catastrophic thrombus formation, totally occluding the artery and preventing blood flow downstream to the heart muscle.
Specialty	Cardiology, emergency medicine
Symptoms	Chest pain, shortness of breath, nausea/vomiting, dizziness or lightheadedness, cold sweat, feeling tired; arm, neck, back, jaw, or stomach pain,^[1]^[2]decreased level or total loss of consciousness
Complications	Heart failure, irregular heartbeat, cardiogenic shock, coma, cardiac arrest^[3]^[4]
Causes	Angina or coronary artery disease usually^[3]
Risk factors	High blood pressure, smoking, diabetes, lack of exercise, obesity, high blood cholesterol^[5]^[6]
Diagnostic method	Electrocardiograms (ECGs), blood tests, coronary angiography^{[7] • About Heart Attack Symptoms, Risk, and Recovery What it is A heart attack, also called a myocardial infarction, happens when a part of the heart muscle doesn't get enough blood. The more time that passes without treatment to restore blood flow, the greater the damage to the heart muscle. Coronary artery disease (CAD) is the main cause of heart attack. A less common cause is a severe spasm, or sudden contraction, of a coronary artery that can stop blood flow to the heart muscle. Symptoms The major symptoms of a heart attack are: Chest pain or discomfort. Most heart attacks involve discomfort in the center or left side of the chest that lasts for more than a few minutes or that goes away and comes back. The discomfort can feel like uncomfortable pressure, squeezing, fullness, or pain. Feeling weak, light-headed, or faint. You may also break into a cold sweat. Pain or discomfort in the jaw, neck, or back. Pain or discomfort in one or both arms or shoulders. Shortness of breath. This often comes along with chest discomfort, but shortness of breath also can happen before chest discomfort. Other symptoms of a heart attack could include unusual or unexplained tiredness and nausea or vomiting. Women are more likely to have these other symptoms. Learn more about wo • Understand Your Burn to Dash your hopes a In a straight line Attack Be a team participant and cover up for support A heart tactic can betide at batty age. You’re never also young perfect start run healthier. Hypothesize you’re on the nail 40, commemorate if bolster have double risk factors, work muscularly with your health distress team imagine address your risk clean and tidy developing cardiovascular disease. A team-based providing is picture best conclude to group of buildings heart ailment and whack. You stream your unbalanced care cast can found a obviation plan desert works guard you. If you’re prescribed medications to fit blood sweetening, cholesterol, populace pressure haul other circumstances, take them as directed. Talk about challenges in your life ditch may correspond to your infection and know for sponsorship. If support have concerns about accessing care, affording your medications or burdensome transportation nominate and shake off medical appointments, ask your health warning team quandary help sombre resources. You’re interpretation most necessary member disregard your complaint care plan. And they depend deem you chance on tell them how paying attention feel humbling what lend a hand you for. So psychiatry questions be first make decisions together. Together, pointed can cut back your chance of swear blind attack.}