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Criterion E: Substance / General Medical Condition Exclusion

Criterion E: Substance / General Medical Condition Exclusion. The disturbance is not due to the direct effects of a substance (e.g., drugs of abuse, medication) or a general medical condition. ICD 10 Criteria for Schizophrenia: The Basics. Characteristic symptoms for one month

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Criterion E: Substance / General Medical Condition Exclusion

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  1. Criterion E: Substance / General Medical Condition Exclusion The disturbance is not due to the direct effects of a substance (e.g., drugs of abuse, medication) or a general medical condition

  2. ICD 10 Criteria for Schizophrenia: The Basics • Characteristic symptoms for one month • If mood disorder is present, one month of characteristic symptoms must antedate it • Not attributable to organic brain disease or substance abuse

  3. ICD 10: Characteristic Symptoms • At least one of the following: Thought echo, insertion, withdrawal, or broadcasting Delusions of control, influence, or passivity; delusional percept Voices commenting or discussing; voices coming from some part of the body Persistent delusions that are culturally inappropriate and completely impossible, such as religious or political identity, superhuman powers

  4. ICD 10: Characteristic Symptoms • Or at least two of the following: Persistent hallucinations in any modality when accompanied by delusions Neologisms, breaks or interpolations in the train of thought, resulting in incoherence or irrelevant speech Catatonic behavior “Negative” symptoms such as marked apathy, paucity of speech, and bluntingor incongruity of emotional responses

  5. Similarities Between ICD and DSM • Both require one month of active symptoms • Both include references to negative symptoms • Both require presence of delusions and hallucinations for a diagnosis of schizophrenia

  6. Differences Between ICD and DSM • Characteristic symptoms (more emphasis on FRS in ICD) • Overall duration of symptoms (one month for ICD vs. six months for DSM) • More specific and complex symptom list in ICD • Inclusion of Schizotypal Disorder and Simple Schizophrenia in ICD

  7. ICD 10: Types of Schizophrenia • Paranoid • Hebephrenic • Catatonic • Undifferentiated • Post-schizophrenic depression • Simple schizophrenia

  8. ICD 10: Categories of Psychosis • Schizophrenia • Schizotypal Disorder • Persistent Delusional Disorders • Acute and Transient Psychotic Disorders • Induced Delusional Disorder • Schizoaffective Disorders • Other Nonorganic Psychotic Disorders

  9. DSM IV: Subtypes • Paranoid • Disorganized • Catatonic • Undifferentiated • Residual

  10. DSM IV: Categories of Psychosis • Schizophreniform Disorder • Schizophrenia • Brief Psychotic Disorder • Schizoaffective Disorder • Delusional Disorder • Shared Psychotic Disorder • Psychotic Disorder due to a General Medical Condition • Substance-Induced Psychotic Disorder • Psychotic Disorder Not Otherwise Specified

  11. Differential Diagnosis • Mood Disorders • Nonpsychotic personality disorders • Substance-induced psychotic disorders • Psychotic disorders due to a general medical condition (i.e., “organic” disorders)

  12. Drugs That May Induce Psychosis • Amphetamines • Marijuana • Hallucinogens • Cocaine

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