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Psychiatric disorders (organic)

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Organic psychiatric disorders are psychiatric disorders which are caused by demonstrable pathology of the brain or other organ.

The causes include:

  • structural disease e.g. brain tumour
  • epilepsy
  • anoxic or hypoglycaemic brain damage
  • degenerative changes e.g. Alzheimer's dementia
  • brain trauma

Organic psychiatric disorders are classified as follows:

  • acute generalized impairment (delerium)

  • chronic impairment:
    • generalized (dementia)
    • specific syndromes

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