A member asked:

How can the heart stay alive during heart surgery?

A doctor has provided 1 answer

It varies. : Depending on the operation, different strategies are employed to make sure the heart's metabolic demands are met. Sometimes the heart is kept beating with its normal blood supply. Sometimes the heart is stopped temporarily and cooled so it doesn't need as much oxygen. In these situation, some oxygen can still be delivered to the heart through it's arteries or veins.

Answered 3/23/2015

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