Post-traumatic stress disorder (PTSD) is pathologic anxiety that occurs after an individual experiences or witnesses severe trauma that constitutes a threat to the physical integrity or life of that individual or another person. Traumatic events may include combat, automobile accidents, rape, and fire. In PTSD, the inciting event is persistently re-experienced in three ways: numbness, avoidance, and hyperarousal. Negative thoughts and mood or feelings are present as well. PTSD accounts for considerable disability and morbidity.
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Cite this: Stephen Soreff. Psychiatry Fast Five Quiz: What Do You Know About Post-traumatic Stress Disorder? - Medscape - Jan 30, 2017.