open-heart surgery

[ oh-puh n-hahrt ]
/ ˈoʊ pənˈhɑrt /

noun

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

Origin of open-heart surgery

First recorded in 1975–80

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

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.

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.