As a Cardiovascular Perfusionist in a hospital, your day often starts well before scheduled cardiac surgeries to set up and calibrate the heart-lung machine and related equipment. During operations, you are responsible for operating and closely monitoring extracorporeal circulation, ensuring optimal patient oxygenation and blood flow. You work closely with surgeons, anesthesiologists, and nurses, adjusting perfusion parameters in real time and responding to critical changes as they arise. Outside the operating room, you may assist in equipment maintenance, documentation, and continuing education activities. The role requires strong attention to detail, teamwork, and the ability to stay composed during high-stress situations.