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What is heart attack?

 

The heart is a muscular pump and its function is to pump blood to all parts of the body including the vital organs like brain, kidney etc. Heart attack or acute myocardial infarction occurs when a blood clot blocks one of the blood vessels of the heart, which supply blood to the heart muscle. This results in sudden cessation of blood supply to a particular part of the heart muscle and this part of the muscle begins to die.

 

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