A Heart Attack occurs when the Flow of Blood to the Heart is blocked

A heart attack occurs when the flow of blood to the heart is blocked.The blockage starts with plaque formation which gradually progresses to the extent that it causes critical narrowing of lumpen of blood vessel that feeds the heart. Narrowing causes chest pain on exertion which gets relieved on rest however, if there is 100% blockage it will cause heart attack which can destroy part of the heart muscle if not timely intervened.

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