What does coronary artery bypass graft mean?
• CORONARY ARTERY BYPASS GRAFT (noun) The noun CORONARY ARTERY BYPASS GRAFT has 1 sense: 1. open-heart surgery in which the rib cage is opened and a section of a blood vessel is grafted from the aorta to the coronary artery to bypass the blocked section of the coronary artery and improve the blood supply to the heart Familiarity information: CORONARY ARTERY BYPASS GRAFT used as a noun is very rare.