Atlas of clinical emergency medicine / [lead editor] Scott C. Sherman, MD, Associate Residency Director, Cook County Emergency Medicine Residency, Associate Professor of Emergency Medicine, Rush Medical College ; editors, Stephen John Cico, MD, MEd, Associate Professor of Clinical Emergency Medicine and Pediatrics, Fellowship Director, Pediatric Emergency Medicine Fellowship Program, Division of Emergency Pediatrics, Department of Emergency Medicine, Indiana University School of Medicine, Attending Physician, Pediatric Emergency Medicine, Department of Emergency Medicine, Emergency Medicine and Trauma Center, Riley Hospital for Children, Indianapolis, Indiana, Erik Nordquist, MD, Assistant Program Director, Cook County Emergency Medicine Residency, Assistant Professor of Emergency Medicine, Rush Medical College, Chicago, Illinois, Christopher Ross, MD, FRCPC, FACEP, FAAEM, Associate Professor of Emergency Medicine, Associate Chair of Professional Education, Department of Emergency Medicine, John H. Stroger, Jr. Hospital of Cook County, Chicago, Illinois, Ernest Wang, MD, FAACEP, Alvin H. Baum Family Fund Chair of Simulation and Innovation, NorthShore University HealthSystem, Evanston, Illinois, Assistant Dean for Medical Education, Clinical Professor, Emergency Medicine, University of Chicago Pritzker School of Medicine, Chicago, Illinois.