Eli5: how the do heart transplants work?

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I am genuinely confused. I have been led to believe that without your heart you’ll be dead within minutes. But heart transplants happen and most are successful. So I have only a few questions.

How the hell do they keep a person during a heart transplant when the old heart has been removed?
How long do transplants take?
Is the transplant between hearts a fast process?
(This question is more morbid but I am genuinely curious.)
How long could someone last without a heart inside their body? (I am assuming not long)

Sorry for any errors or types I am on mobile and I am bad at remembering to reread things

In: Biology

2 Answers

Anonymous 0 Comments

with machines we are able to artificially keep the blood circulating temporarily while the transplant is completed

the transplant surgery takes anywhere from 6-12 hours depending on how complicated to finish

Anonymous 0 Comments

> How long could someone last without a heart inside their body? (I am assuming not long)

Over a year, he had a pump in his chest and a battery in a backpack while waiting for a transplant – https://edition.cnn.com/2016/06/10/health/artificial-heart-555-days-transplant/index.html