Critical care happens where it is needed, not just in the ICU. Patients with acute critical illness are often cared for initially in the ED, and the beginning actions can help alter outcomes hours, day and months later. This handbook targets selected common or high risk critical condition or therapies needed to optimize ED care, using the newest research and experiences from respected authors. Chapters are organized in a readable and user-friendly format, and each describes the topic, defines key terms, notes cutting edge and controversial aspects, and delivers pragmatic advice. Our goal is not to discuss every pathology and care option, but to focus on the key thoughts and actions that can drive care and improve the health of those I need.