Free Death or Treat12/27/2023 ![]() ![]() Men age 45 and older and women age 55 and older are more likely to have a heart attack than are younger men and women. This life-threatening condition is caused by a tear inside a heart artery. Spontaneous coronary artery dissection (SCAD).COVID-19 and other viral infections may cause damage to the heart muscle. Other names for coronary artery spasms are Prinzmetal's angina, vasospastic angina or variant angina. The artery generally has cholesterol plaques or there is early hardening of the vessel due to smoking or other risk factors. This is a severe squeezing of a blood vessel that's not blocked. Not all heart attacks are caused by blocked arteries. However, some people with non-ST elevation myocardial infarction (NSTEMI) have a total blockage. A partial blockage often means you've had a non-ST elevation myocardial infarction (NSTEMI).An acute complete blockage of a medium or large heart artery usually means you've had an ST elevation myocardial infarction (STEMI).Your health care provider may use electrocardiogram (ECG) results to describe these types of heart attacks. One way to classify heart attacks is whether an electrocardiogram (ECG or EKG) shows some specific changes (ST elevation) that require emergency invasive treatment. If a plaque breaks open, it can cause a blood clot in the heart.Ī heart attack may be caused by a complete or partial blockage of a heart (coronary) artery. Plaques can narrow the arteries, reducing blood flow to the heart. This is usually due to cholesterol-containing deposits called plaques. In coronary artery disease, one or more of the heart (coronary) arteries are blocked. ![]() Coronary artery disease causes most heart attacks. ![]()
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