eli5 – If we can not shock a heart back after it flatlands… how do we get heart transplants to start back up?
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Defibrillators don’t restart stopped hearts, they fix fibrillation which is arrhythmic contractions of the heart. When someone’s heart has stopped / flatlined, the preferred method is CPR. In the case of heart transplants, after the donor heart is connected, I think a light flick or tap from the doctor is all it takes to get it to start pumping again.
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