Is there a certain pulse rate that is considered having a heart attack?
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A heart attack is a blockage in the pipes supplying blood to the heart. So a plumbing problem. Cholesterol lines up the pipes narrowing or blocking them, causing a heart attack. This isnt really anything to do with heart rate, but heart rate often goes up if you are having a heart attack to compensate.
BUT,
Blood flow to the heart only occurs when it is relaxed, so, If youve had a heart attack before or have some valve problems, a fast heart rate will reduce the time that blood can get to the heart, meaning you can get chest pain and lack of blood supply/oxygen supply to the heart, causing a heart attack
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