What is Coronary Artery Bypass Graft (CABG)? Coronary artery bypass graft or CABG is a surgical procedure whereby a surgeon takes a vein or artery from a patient's chest, leg or arm and grafts it on to the blocked artery. This results in normal blood flow to the heart muscles.What types of surgery are available? Minimal Invasive Coronary Artery Bypass SurgeryFor some patients, minimal invasive coronary artery bypass surgery may be an option. During this surgery, smaller chest and graft remov...