What are the types of delirium?

Updated: Sep 19, 2018
  • Author: Richard D Shin, MD; Chief Editor: Gil Z Shlamovitz, MD, FACEP  more...
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Delirium typically manifests with either of two patterns of psychomotor activity: hypoactive or hyperactive. Hypoactive delirium is characterized by stupor, psychomotor lentification and lethargy, and is the most frequent pattern in older adults. Conversely, hyperactive delirium is characterized by agitation, hypervigilance and hallucinations. [8]

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