Acute and transient psychotic disorder and schizotypal disorder

From WikiLectures

Definition of psychosis[edit | edit source]

  • describes an altered touch with reality (what is real? what not?)
  • can have psychiatric causes (e.g. schizophrenia), organic causes (e.g. tumor) or be due to intoxication (e.g. LSD)

ICD-10: Acute and transient psychotic disorder F23[edit | edit source]

ICD-10 Criteria for acute and transient psychotic disorders[edit | edit source]

  • Begin acutely
  • polymorphic symptoms: quickly changing
  • presence of typical schizophrenic symptoms

Subtypes according to the ICD-10[edit | edit source]

  • acute polymorphic psychotic disorder with or without schizophrenia
  • Acute schizophrenia-like psychotic disorder
  • Other acute predominantly delusional psychotic disorders
    • comparatively stable delusions or hallucinations
    • delusions of persecution or reference
    • for less than 3 months (i.e. not persistent delusional disorder)
    • Paranoid reaction, psychosis

DSM-V: Brief psychotic disorder[edit | edit source]

  • Is essentially the same as F23 (just much easier and more logical)
  • Psychosis present for 1 day to 1 month : schizophrenic symptoms

Schizotypal disorder ( a schizophrenia spectrum disorder)[edit | edit source]

  • Diagnostics  : according to the DSM-5
    • At least 5 of the following criteria have to be met:
      • Odd and eccentric behavior or physical appearance
      • Magical thinking: the invention of causal relationships between behaviors and events that is inconsistent with an individual's cultural norms (e.g., believing that thoughts are able to control reality)
      • Social awkwardness
      • Excessive social anxiety
      • Ideas of reference
      • Unusual perceptual experiences (e.g., body illusions)
      • Bizarre thinking/speech (e.g., metaphorical, overelaborate)
      • Paranoia and suspicion of others
      • Constricted affect
      • Few or no close friends
      • Social anxiety and preference for social isolation because of paranoia