Dysfunction in either the reticular activating system in the upper brainstem or a large area of 1 or both cerebral hemispheres
Confusion: A behavioral state of reduced men...
Difficulty in maintaining a coherent stream of thinking and mental performance:
Remember to consider level of education, language, and possible learning disabiliti...
Airway management if loss of airway patency
IV access, supplemental oxygen, cardiac monitor
Spine immobilization if possibility of trauma
Treated hypoglycemia related to insulin therapy with resolve...
Consider reversible causes
Hypoglycemia (check glucose, give dextrose)
Opiate overdose (trial of naloxone)
Thiamine deficiency (trial of thiamine)
Consider head CT for any patient with...
Kanich W, Brady WJ, Huff JS, et al. Altered mental status: evaluation and etiology in the ED. Am J Emerg Med. 2002;20:613–617.
Sporer K, Solares M, Durant E, et al. Accur...
298.9 Unspecified psychosis
780.97 Altered mental status
R41.0 Disorientation, unspecified
R41.82 Altered mental status, unspecified
419284004 altered mental status (finding)
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