Question

what is heart attack ????​

Answer 1

Answer:

A heart attack is a medical emergency. A heart attack usually occurs when a blood clot blocks blood flow to the heart. Without blood, tissue loses oxygen and dies.

Explanation:

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Answer 2

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.

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