Written for residents and practicing emergency physicians in the community, this book, What to Do Now: Essential Clinical Principles in Emergency Medicine, includes both information on emergency situations that use a situational approach. Featuring chapters written by physicians trained in critical care and emergency medicine, this book focuses on clinical guidelines based on national and regional recommendations for conditions such as pneumonia and myocardial infarction, as well as than on the regular care of seriously ill patients. . Pay special attention to injuries. This book reviews diagnosis, procedures, clinical recommendations, and management issues. A summary is included at the end of each chapter to provide practicing physicians with quick guidance on how to provide care during their practice. Critical Care Emergencies is a thoughtful and inspiring reference work that provides readings for physicians and emergency medicine practitioners in need of new training. The book is also a self-assessment tool that tests the reader’s ability to answer the question “What should I do now?”