Book excerpt: Complete coverage of the most important and common topics encountered in the emergency room are provided in this work, including recent advances in the treatment of pediatric and toxicology emergencies. It contains all the information needed for your emergency medicine clinical rotation. There are Signs and Symptoms sections outlining key differential diagnoses for common presenting symptoms in the ER, key points and over 100 tables and figures to make understanding difficult concepts easier to remember, and up-to-date clinical information written by practicing emergency physicians.