• Gary M Vilke, Mark L DeBard, Theodore C Chan, Jeffrey D Ho, Donald M Dawes, Christine Hall, Michael D Curtis, Melissa Wysong Costello, Deborah C Mash, Stewart R Coffman, Mary Jo McMullen, Jeffery C Metzger, James R Roberts, Matthew D Sztajnkrcer, Sean O Henderson, Jason Adler, Fabrice Czarnecki, Joseph Heck, and William P Bozeman.
• Department of Emergency Medicine, University of California at San Diego Medical Center, San Diego, California 92103, USA.
• J Emerg Med. 2012 Nov 1; 43 (5): 897-905.

BackgroundPatients present to police, Emergency Medical Services, and the emergency department with aggressive behavior, altered sensorium, and a host of other signs that may include hyperthermia, "superhuman" strength, diaphoresis, and lack of willingness to yield to overwhelming force. A certain percentage of these individuals will go on to expire from a sudden cardiac arrest and death, despite optimal therapy. Traditionally, the forensic community would often classify these as "Excited Delirium" deaths.ObjectivesThis article will review selected examples of the literature on this topic to determine if it is definable as a discrete medical entity, has a recognizable history, epidemiology, clinical presentation, pathophysiology, and treatment recommendations.DiscussionExcited delirium syndrome is characterized by delirium, agitation, acidosis, and hyperadrenergic autonomic dysfunction, typically in the setting of acute-on-chronic drug abuse or serious mental illness or a combination of both.ConclusionsBased upon available evidence, it is the consensus of an American College of Emergency Physicians Task Force that Excited Delirium Syndrome is a real syndrome with uncertain, likely multiple, etiologies.Copyright © 2012 Elsevier Inc. All rights reserved.

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