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
4.6k views
A doctor has provided 1 answer
A doctor has provided 1 answer
11 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question