Job Description Reviews patient medical history and chart, and consults with surgeon or physician to obtain patient information needed to set up heart-lung machine and associated equipment. Studying the patients medical history and notes to be prepared for the surgery. Operating and selecting of a variety of extracorporeal circulation equipment, such as the heart-lung machine, the artificial heart, blood transfusion devices, the intra-aortic balloon pump, and various ventricular-assist devices. #J-18808-Ljbffr