WHAT IS A HEART ATTACK? 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.

WHAT ARE THE SYMPTOMS OF HEART ATTACK?

• Chest pain or discomfort. Most heart attacks involve discomfort in the […]

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