The origin of the vertebral artery, the thyrocervical trunk and the internal mammary artery is very constant.

Objective: to evaluate the hemodynamic changes of the left internal mammary artery (LIMA) preoperative and postoperative coronary artery bypass graft (CABG) with color Doppler flow imaging (CDFI).

ObjectiveThe left internal mammary artery (LIMA) has been shown to improve the outcome of coronary artery bypass grafting (CABG) and become the gold standard graft.