The Registered Nurse (RN) in the Cardiovascular Intensive Care Unit (CVICU) provides specialized care to critically ill patients with cardiovascular conditions, including those recovering from open-heart surgery, severe heart attacks, heart failure, arrhythmias, or other serious cardiac events. Monitor and adjust invasive monitoring devices such as arterial lines, central venous pressure (CVP) lines, pulmonary artery catheters, and ventilators.