Schizophrenia and other psychotic related disorders Flashcards
Types/classification
Schizophrenia Delusional disorder Brief psychotic disorder Schizophreniform disorder Schizoaffective disorder Schizotypal personality disorder
Define Schizophrenia
A mental disorder characterized by disintegration of thoughtprocesses and of emotional responsiveness.
Schizo: fragmented
phrenia: mind
What are the three phases of schizophrenia
Prodromal: People begin to lose interest in their usual pursuit
Psychotic: Characterized by acute psychotic episode and patients experience both the negative and positive symptoms
Residual: Positive symptoms reduced, though negative symptoms do persist
What are the positive symptoms of Schizophrenia
Delusions
Hallucinations
What are the negative symptoms of schizophrenia
The 5 As Anhedonia Affect (flat) Attention (poor) Avolition (apathy) Alogia (poverty of speech)
What are the different types of schizophrenia
Paranoid type -delusions and hallucinations present, no other behaviour disorder
Disorganised type- thought disorder and flat affect
Catatonic type
Undifferentiated type
Residual type – positive symptoms at low intensity only
2 additional sub-types Post schizophrenic depression Simple schizophrenia (prominent negative symptoms and no psychotic symptoms)
DSM-5 CRITERIA OF SCHIZOPHRENIA
A. At least two or more of th following symptoms should be present for at least 1 month
- Delusions
- Hallucinations particularly auditory hallucinations
- Catatonic behaviour
- Disorganised speech
- Negative symptoms
B. Deterioration in the level of functioning at work, social or academics
C. Duration of 6 months. This period must include the active phase of illness with or without prodromal phase
D. Full mood syndrome (depression or mania)
E. Not as a result of AMC
F. if history of autism spectrum disorder, the additional diagnosis of schizophrenia is made only if prominent delusions are also present for at least 1 month
DMS-5 CRITERIA Delusional disorder
A. One or more delusions for at least 1 month
B. Does not meet the criteria for Schizophrenia
C. Behaviour is not bizarre
D. No positive symptoms
E. No negative symptoms
F. Not as a result of AMC
Types of delusional disorders
Erotomatic: delusion that another person is in love with the individual
Grandiose: delusions of having great talent
Somatic: physical delusions
Persecutory: delusions of being conspired against
Brief Psychotic Disorder Subtypes
With marked stressors
Without marked stressors
Postpartum onset
With catatonia
Schizophreniform Disorder
Patients present with symptoms typical for schizophrenia but for a duration less than 6/ 12
Diagnosis of schizotypal disorder requires what features?
ME PECULIAR
Magical thinking or odd beliefs Experiences unusual perceptions Paranoid ideation Eccentric behaviour or appearance Constricted (or inappropriate) affect Unusual (odd) thinking and speech Lacks close friends Ideas of reference Anxiety in social situations Rule out psychotic disorders and pervasive developmental disorder
