Book excerpt: Updated to the new National EMS Education Standards and endorsed by the American Academy of Orthopaedic Surgeons, the fifth edition of our core first responder textbook, Emergency Medical Responder, continues to take an assessment-based approach to emergency medical responder training. Designed to meet the needs of law enforcement personnel, fire fighters, rescue squad personnel, athletic trainers, college students, and laypersons, the text and features found in the fifth edition will help students take the next step toward becoming outstanding Emergency Medical Responders.