RT Book, Section A1 Brown, Eric J. A1 Whelan, Lori A2 Stone, C. Keith A2 Humphries, Roger L. SR Print(0) ID 55759323 T1 Chapter 49. Psychiatric Emergencies T2 CURRENT Diagnosis & Treatment Emergency Medicine, 7e YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-0-07-170107-5 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=55759323 RD 2024/04/24 AB Psychiatric emergencies are acute changes in behavior that negatively impact a patient's ability to function in his or her environment. Often such patients are in a state of crisis in which their baseline coping mechanisms have been overwhelmed by real or perceived circumstances. In dealing with such emergencies, the emergency physician faces many challenges and must prioritize his or her clinical efforts toward four main concerns.