Heart Attack
A Heart Attack occurs when the
blood flow that brings oxygen to the heart muscle is severely reduced or
stopped. This happens because coronary arteries that supply the heart with
blood can slowly become thicker and harder from a buildup of fat, cholesterol
and other substances, called plaque. This slow process is known as
atherosclerosis. If the plaque breaks open and a blood clot forms that blocks
the blood flow, a heart attack occurs.
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