The patient population is diverse, including post-operative surgical patients requiring intensive monitoring, individuals undergoing pre and post-cardiac interventions (PCI, pacemaker placement, revascularization), and those with complex medical conditions such as CHF, COPD, DKA, renal failure, DVT, PE, and sepsis. The PCU nurse provides specialized care for hemodynamically stable or predictably unstable patients who require a higher level of monitoring than a general medical-surgical unit but do not necessitate intensive care.