open-heart surgery

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Definition of open-heart surgery in English English dictionary
open-heart surgery: a medical operation in which doctors operate on someone's heart, while a machine keeps the patient's blood flowing. Any surgical procedure opening the heart and exposing one or more of its chambers, most often to repair valve disease or correct congenital heart malformations (see congenital heart disease). Invention of the heart-lung machine (see artificial heart), which allows the heart to be stopped during surgery, made it possible. The first successful open-heart surgery was performed in the U.S. in 1953 by John H. Gibbon, Jr., to close an atrial septal defect
open-heart surgery: heart surgery in which the rib cage is spread open and surgery to fix a heart valve or repair a coronary artery is performed while the heart is stopped and blood is detoured through a heart-lung machine
open heart surgery: operation during which the patient's heart lies exposed

open-heart surgery

Hyphenation

open-heart sur-ge-ry

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