A surgical procedure performed to improve blood supply to the heart by creating new routes for blood flow when one or more of the coronary arteries become obstructed. The surgery involves removing a healthy blood vessel from another part of the body, such as the leg, and grafting it onto the heart to circumvent the blocked artery
heart surgery in which a coronary bypass is performed on the beating heart by the use of small instruments and cameras threaded through small incisions
heart surgery in which a coronary bypass is performed by the use of small instruments and tiny cameras threaded through small incisions while the heart is stopped and blood is pumped through a heart-lung machine