The document provides an overview of postoperative care, outlining its aims, phases, and key aspects of management. It discusses the immediate postoperative phase, including monitoring, respiratory care, positioning/mobilization, diet, IV fluids, medications, and common complications. The intermediate phase focuses on wound care, drains, nausea/vomiting, bleeding, and pain management. Postoperative care of the gastrointestinal, pulmonary, renal, nutritional, and electrolyte systems is also reviewed. The document emphasizes early mobilization, respiratory physiotherapy, and prevention of complications like deep vein thrombosis and infection.