Post Traumatic Stress Disorder Criteria according to the DSM IV TR; American Psychiatric Association, 2000

A)      The individual has to be exposed to an event that includes the personal experience of actual or threatened death, serious injury or the integrity of self or others; and, the response involves intense fear, helplessness or horror.

B)      The traumatic event is persistently re-experienced in one or more of the following ways (a) e.g. images, thoughts or perceptions (b) distressing nightmares, (c) acting or feeling as if the event were reoccurring (e.g. a sense of reliving, illusions, dissociative flashback episodes), (d) intense psychological distress at exposure to internal and external cues that resemble an aspect of the event, physiological reactivity on exposure to internal and external cues that resemble an aspect of the event.

C)       Persistent avoidance of stimuli associated with the trauma and numbing of general responsiveness.  This must be indicated by at least three of the following symptoms: (a) efforts to avoid thoughts, feelings, or conversations associated with the event, (b) efforts to avoid activities, places, or people that arouse recollections of the event,  (c) inability to recall an important aspect of the trauma, (d) markedly diminished interest or participation in significant activities, (e) feeling detachment or estrangement from others, (f) restricted range of affect, (g) a sense of a foreshortened future.

D)      Persistent symptoms of increased arousal, as indicated by at least two of the following: (a) difficulty falling or staying asleep, (b) irritability or outbursts of anger, (c) difficulty concentrating, (d) hypervigilance, (e) exaggerated startle response.

E)      The symptoms must occur for more than one month.

F)       The disturbance causes clinically significant distress or impairment in social, occupational, or other important areas of functioning


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