This book provides essential guidance for nurses in preparing for and responding to medical emergencies. The book covers key aspects of disaster management, including triage, crisis communication, and resource allocation. It discusses the role of nurses in managing mass casualty situations, including providing urgent care, maintaining patient safety, and collaborating with multidisciplinary teams. The text also addresses psychological first aid and the nurse’s role in providing support to patients and families during emergencies. This book is crucial for nurses working in high-risk environments, such as emergency departments and trauma centers.