Guideline 4: Schizophrenia

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The experts considered delusions, hallucinations, and a long-term history of psychotic symptoms the most important features in diagnosing schizophrenia in an older patient. Other important features are grossly disorganized behavior and disorganized speech. The experts also gave high second-line ratings to symptoms that are useful in distinguishing schizophrenia from delirium, psychosis related to medications or medical illness, and mood disorders.’ ‹