This edition laid out the management of critical emergencies such as stemi, non-stemi, and “unstable angina”. with the rapid growth of stems center, the protocols and guidelines are very precise allowing emergency providers to save more lives. It includes the new classification guidelines of “myocardial infarction” with an explanation of the different types of material additionally, stroke guidelines are clearer than ever before, and similarly have allowed improved patient outcomes. This book will increase the understanding of sepsis management and the rule of 1-1-1. It will help clinicians to simplify and manage complex emergencies.