coronary artery bypass

Definition / meaning of coronary artery bypass

Surgery in which a healthy blood vessel taken from another part of the body is used to make a new path for blood around a blocked artery leading to the heart. This restores the flow of oxygen and nutrients to the heart. Also called aortocoronary bypass and CAB.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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