what is heart attack
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A heart attack occurs when an artery supplying your heart with blood and oxygen becomes blocked. Fatty deposits build up over time, forming plaques in your heart's arteries. If a plaque ruptures, a blood clot can form and block your arteries, causing a heart attack
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A heart attack is occurs when blood flow to the heart is blocked. A blocked artery prevents oxygen .if the blood supply is cut off a part of heart muscle dies.
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