In traditional coronary artery bypass surgery, a machine commonly known as the “heart and lung” machine is used. This device acts in place of the heart pumping blood throughout the body removing carbon dioxide and replacing it with oxygen. In some cases, your surgeon may recommend performing a heart procedure while your heart continues to pump blood through your circulatory system. This techniques requires the use of specialized equipment and training. Riverview Cardiac Surgery perform Off-Pump Beating Heart Surgery when it is medically advisable.