Early in a coronary artery bypass surgery during vein harvesting from the legs (left of image) and the establishment of bypass (placement of the aortic cannula) (bottom of image). The perfusionist and heart-lung machine (HLM) are on the upper right. The patient's head (not seen) is at the bottom.
Heart-lung machine in a cardiac surgery. Image ID: 657 C Photographer: Jerry Hecht Restrictions: Public Domain via wikimedia
