The role provides critical care for adult and geriatric patients with complex cardiovascular conditions, including cardiogenic shock, cardiac arrest, heart failure, dysrhythmias, myocardial infarction, pulmonary hypertension, and patients requiring mechanical circulatory support. Common diagnoses include cardiogenic shock, cardiac arrest, heart failure, cardiac arrhythmias, heart blocks, myocardial infarction, pulmonary hypertension, advanced therapy evaluations, hypertrophic cardiomyopathy, and hypertensive urgency or emergency.