The provider performs anesthesia services for a patient undergoing a procedure involving the heart, the sac around the heart, and the great vessels of the chest, such as the aorta, its major branches, and the major pulmonary vessels. The procedure requires a pump oxygenator to take on the work of the heart and lungs. The procedure also involves hypothermic circulatory arrest, which cools the body to stop blood circulation without endangering the patient.
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