Josh has the diagnosis of (F43.10) Posttraumatic Stress Disorder (PTSD). He meets all the criteria for this diagnosis. Josh meets criteria A because he witnessed the event occur. Josh watched his fiancée get killed during the incident. Josh meets criteria B because of his dissociative reactions. Josh experiences nightmares and has flashbacks of his fiancé being killed by a drunk driver. He often tries to forget the incident but feels as if he were reliving it again. Josh meets criteria C because of his efforts to avoid the distressing memories and external reminder. He tries to avoid going to the area of town that the incident has happened. He is “jumpy” and withdrawn since the incident which means he meets the criteria for E due to his hypervigilance.
