Conclusion:
The anterior cardiac wall infarction is usually a result of the atherosclerosis of LAD, which has the highest ratio of intramuscular course in comparison to remaining coronary arteries. LAD is the most common affected coronary artery,and mostly the left internal mammary artery (LIMA) is preferred to graft it. In case of predicting and locating IMLAD preoperatively, it would be able to avoid many intraoperative management complications. Therefore, we planned to investigate whether CAG could be used as a predictive test for IMLAD, and a sensitivity score of 88 % was encouraging in terms of predicting IMLAD before surgery.