Numerous medical disciplines are involved in prehospital emergency care, and standardized care processes for different groups of patients are particularly important here. However, this assumes that these processes are also viewed from an interdisciplinary perspective. This book provides an overview of common and serious emergency medical clinical pictures from the point of view of the safety of the emergency patient, and identifies suggested solutions and typical sources of error in emergency situations. The structure is based on the ABCDE scheme familiar from trauma care, which provides instructions for action. Following this scheme (A & airways, B & breathing, C & circulation, D & disability and E