What is the role of head trauma in the etiology of delirium, dementia, and amnesia?

Updated: Sep 19, 2018
  • Author: Richard D Shin, MD; Chief Editor: Gil Z Shlamovitz, MD, FACEP  more...
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Head trauma, Korsakoff syndrome, transient global amnesia, and various dementing processes can cause amnesia. Head trauma can lead to transient amnesia with retrograde (events prior to injury) and anterograde (events following injury) features.

Postconcussive syndrome is a constellation of mental dullness, poor memory, depressed mood, and headaches that may follow head trauma, often lasting days to weeks, with full resolution in most cases. This may involve confusional state, but frank delirium is rare.

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