Criteria for acute stress disorder are similar to criteria A, B, C, and D of PTSD
A. Symptoms described below occur after an individual has been exposed to a traumatic event that is outside the realm of normal human experience (combat, natural disaster, physical assault, accident).
B. The patient persistently reexperiences the event through intrusive recollection or nightmares, reliving of the experience (flashbacks), or intense distress when exposed to reminders of the event.
C. Persistent avoidance of the traumatic event and emotional numbing (feeling of detachment from others) may be present. The patient may have feelings of detachment, anhedonia, amnesia, restricted affect, or active avoidance of thoughts or activities that may be reminders of the trauma (three required).
D. A general state of increased arousal persists after the traumatic event, which is characterized by poor concentration, hypervigilance, exaggerated startle response, insomnia, or irritability (two required).
E. Additional findings in acute stress disorder may include the following:
1. Symptoms occur within one month of a stressor and last between 2 days and 4 weeks.
2. The individual has 3 or more of the following dissociative symptoms:
a. Subjective sense of numbing, detachment or absence of emotional responsiveness b. Reduction in awareness of surroundings c. Derealization d. Depersonalization e. Dissociative amnesia
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