Myocardial Infarction

A heart attack happens by blocking the passage of blood into the heart. Most commonly, blockage is a accumulation of fat, cholesterol, and other substances forming a plaque in the arteries that feed the heart (coronary arteries). In the end, the plaque breaks away and forms a clot. The blood flow disrupted can harm or kill a part of the heart muscle. A heart attack, also known as a myocardial infarction, can be fatal but over the years, treatment has improved dramatically. When you think you may be having a heart attack, it is important to call 911 or emergency medical services.

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