This document provides information about the role and responsibilities of a Casualty Medical Officer (CMO) who oversees the casualty department in a hospital. It discusses that the CMO is responsible for providing immediate treatment to patients arriving with medical or surgical emergencies and referring them to appropriate departments. The CMO must ensure proper documentation, attend to medico-legal matters, and oversee the functioning of the department. Effective communication skills are important for the CMO to coordinate the casualty team and deal with patients and their relatives during emergencies. The document also outlines common emergency cases seen in casualty departments and emphasizes the importance of mock drills, updates, rest, and communication for the responsiveness of the casual