RT Book, Section A1 Wilson, Michael P. A1 Vilke, Gary M. A2 Cooney, Derek R. SR Print(0) ID 1126792781 T1 Mental Illness and Substance Abuse T2 Cooney's EMS Medicine YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 9780071775649 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1126792781 RD 2024/10/06 AB EMS providers are often called to evaluate patients who are behaving oddly or who are having an emotional or mental crisis. Although these conditions are not necessarily all from diagnosable psychiatric disorders, all involve—to some extent—disorders of thinking. These patients are therefore often labeled as “psychiatric,” even if the cause of the patient's symptoms is from another medical condition.