why is it when we have palpitations it is damaging to our heart but when we run and our heart beats it is strengthening our heart and blood vessels?

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why is it when we have palpitations it is damaging to our heart but when we run and our heart beats it is strengthening our heart and blood vessels?

In: Biology
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Palpitations cause the blood to not flow due to the pumping being erratic, the lack of oxygenated blood causes things to die, such as heart muscle.

Palpitations aren’t a correct heart beat, meaning the rhythm isn’t correct, so blood isn’t pumping like it should. That can compromise the blood flow that feeds your heart muscle and cause damage.

Exercise strengthens your heart, it doesn’t deprive it of blood flow.

Well, first off, ‘palpitation’ just means ‘a sensation of an irregular or too-strong beat’. Most palpitations aren’t actually caused by arrhythmias (irregular heatbeat), and most healthy people feel them once in a while.

Exercise does strain the heart. But it also makes your blood flow more efficient, makes your blood vessels more flexible, etc, which mean your heart has to work *less* hard all the rest of the time. The net effect is that your heart works less, not more.