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Altered mental status

Altered mental status is a topic covered in the Diagnosaurus.

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DDx

Drugs

  • Opioids, alcohol, sedatives, antipsychotics, withdrawal, others

Metabolic

  • Hypoxia, hypoglycemia, hyperglycemia, hypercalcemia, hypernatremia, hyponatremia, uremia, hepatic encephalopathy, hypothyroidism, hyperthyroidism, vitamin B12 or thiamine deficiency, carbon monoxide poisoning, Wilson’s disease

Infectious

  • Meningitis, encephalitis, bacteremia, urinary tract infection, pneumonia, neurosyphilis

Structural

  • Space-occupying lesion, eg, brain tumor, subdural hematoma, hydrocephalus

Vascular

  • Stroke, subarachnoid hemorrhage, coronary ischemia, hypertensive encephalopathy, CNS vasculitis, thrombotic thrombocytopenic purpura, disseminated intravascular coagulation, hyperviscosity

Psychiatric

  • Schizophrenia, depression, mania

Other

  • Seizure, nonconvulsive status epilepticus, hypothermia, heat stroke, ICU psychosis, "sundowning"

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Last updated: March 5, 2015

Citation

Zeiger, Roni F.. "Altered Mental Status." Diagnosaurus, 4th ed., McGraw-Hill Education, 2015. Medicine Central, im.unboundmedicine.com/medicine/view/Diagnosaurus/114849/all/Altered_mental_status.
Zeiger RF. Altered mental status. Diagnosaurus. 4th ed. McGraw-Hill Education; 2015. https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114849/all/Altered_mental_status. Accessed April 18, 2019.
Zeiger, R. F. (2015). Altered mental status. In Diagnosaurus. Available from https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114849/all/Altered_mental_status
Zeiger RF. Altered Mental Status [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2015. [cited 2019 April 18]. Available from: https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114849/all/Altered_mental_status.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Altered mental status ID - 114849 A1 - Zeiger,Roni F, Y1 - 2015/03/05/ BT - Diagnosaurus UR - https://im.unboundmedicine.com/medicine/view/Diagnosaurus/114849/all/Altered_mental_status PB - McGraw-Hill Education ET - 4 DB - Medicine Central DP - Unbound Medicine ER -