cardiopulmonary bypass


n.

A procedure to circulate and oxygenate the blood during heart surgery involving the diversion of blood from the heart and lungs through a heart-lung machine and the return of oxygenated blood to the aorta.

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Scientific definitions for cardiopulmonary bypass

cardiopulmonary bypass

A procedure that circulates and oxygenates the blood while surgery is performed on the heart. With this process, blood is diverted from the heart and lungs through a heart-lung machine and oxygenated blood is returned to the aorta.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.