Many of these patients will need diagnostic tests and interventional treatments such as cardiac catheterization, angioplasty or stent placement. Sepsis or other serious or systemic infection. Pin On R N Registered Nurse Sepsis or other serious or systemic infection. What kind of patients are in pcu . The picu is an intense place to work, even for an experienced nurse. Patients also receive treatment and care in the pcu for myocardial infractions, new pacemakers and defibrillators, strokes, and assistance with managing potent drug regimens that require close monitoring. An intensive care unit is a critical care unit that admits medical and surgical patients who are critically ill or injured, whereas a cardiac care unit admits patients with cardiac problems, usually medical cardiac problems. The progressive care unit or pcu is a telemetry (vital signs) monitored unit that provides care for adult patients requiring continuous cardiac monitoring. This document is designed to u...