Which diagnosis best fits duration, episodicity, and exclusions?
A
Posttraumatic stress disorder (PTSD)
Exposure to actual/threatened death, serious injury, or sexual violence (direct, witnessed, learning about close person, or repeated indirect exposure)
Disruption of identity characterised by ≥2 distinct personality states/possession experiences with marked discontinuity in sense of self and agency, accompanied by alterations in affect, behaviour, consciousness, memory, perception, cognition, and/or sensory-motor functioning
AA. Exposure to actual/threatened death, serious injury, or sexual violence (direct, witnessed, learning about close person, or repeated indirect exposure) B. ≥1 intrusion symptom: involuntary memories; nightmares; dissociative reactions (flashbacks); intense psychological distress; marked physiological reactions to trauma cues C. ≥1 persistent avoidance: avoidance of trauma-related internal stimuli or external reminders
BA. Disruption of identity characterised by ≥2 distinct personality states/possession experiences with marked discontinuity in sense of self and agency, accompanied by alterations in affect, behaviour, consciousness, memory, perception, cognition, and/or sensory-motor functioning B. Recurrent gaps in recall of everyday events, personal information, and/or traumatic events inconsistent with ordinary forgetting C. Clinically significant distress or impairment
Common specifiers
AWith dissociative symptoms (depersonalisation); With dissociative symptoms (derealisation); With delayed expression