The length and format of the book are designed to help students and clinicians digest the big topics of emergency medicine (EM). Each chapter begins with a “Contents” section and continues with an introduction, clinical presentation (history and physical examination), diagnostic findings, treatment decisions, treatment procedures, and practices. We have tried to provide as much information as possible on the use of the medicine. , decision-making regarding medical procedures, treatment plans, and practices that will make it easier for you to work in the medical setting. Diagnostic algorithms are a specialty that simplifies problems and points doctors in the right direction. This book includes chapters that cover the entire EM curriculum. The authors are all national emergency medicine specialists and emergency medicine educators.