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open-heart surgery

[ oh-puhn-hahrt ]
/ ˈoʊ pənˈhɑrt /
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noun

surgery performed on the exposed heart while a heart-lung machine pumps and oxygenates the blood and diverts it from the heart.

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Origin of open-heart surgery

First recorded in 1975–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for open-heart surgery

open-heart surgery

noun

surgical repair of the heart during which the blood circulation is often maintained mechanically
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for open-heart surgery

open heart surgery

n.

Surgery in which the thoracic cavity is opened to expose the heart and the blood is recirculated and oxygenated through a heart-lung machine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for open-heart surgery

open-heart surgery

Surgery in which the thoracic cavity is opened to expose the heart and the blood is recirculated and oxygenated by a heart-lung machine.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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