Acute Stress Disorder
Acute stress response; Stress reaction
Short Description or Definition
Acute stress disorder (ASD) is defined in the Diagnostic and Statistical Manual of Mental Disorders (5th ed.; DSM-5; American Psychiatric Association 2013) by a pattern of symptoms associated with exposure to an actual or threatened trauma or stressor. Exposure may involve (1) direct experience of traumatic events, (2) personally witnessing events, (3) learning of events that occurred to others, and (4) repeated or extreme exposure to details of traumatic events. Symptoms associated with the exposure may include intrusion symptoms (i.e., involuntary memories, distressing dreams, flashbacks, intense responses to triggers), negative mood, dissociative symptoms, avoidance symptoms, and symptoms of physiological arousal (i.e., sleep disturbance, irritability/anger, hypervigilance, poor concentration, and exaggerated startle response). To be diagnosed as ASD, symptoms must persist for at least 3 days and not...
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