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Coma is a topic covered in the Diagnosaurus.

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Emergency Central is a collection of disease, drug, and test information including 5-Minute Emergency Medicine Consult, Davis’s Drug, McGraw-Hill Medical’s Diagnosaurus®, Pocket Guide to Diagnostic Tests, and MEDLINE Journals created for emergency medicine professionals. Explore these free sample topics:

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Intracranial causes

  • Anoxic brain injury or head trauma
  • Ischemic stroke or intracerebral hemorrhage
  • Subarachnoid hemorrhage
  • Meningitis or encephalitis
  • Brainstem hemorrhage, infarct, or mass
  • Mass lesion causing brainstem compression
  • Subdural hematoma
  • Seizure
Metabolic causes
  • Hypoglycemia
  • Diabetic ketoacidosis
  • Hyperglycemic hyperosmolar state
  • Drugs, eg, alcohol, opioids, sedatives, antidepressants, salicylates
  • Uremic or hepatic encephalopathy
  • Hypernatremia or hyponatremia
  • Hypercalcemia
  • Hypothermia
  • Heat stroke
  • Myxedema
  • Carbon monoxide poisoning

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Last updated: December 1, 2014


Zeiger, Roni F.. "Coma." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114833/all/Coma.
Zeiger RF. Coma. Diagnosaurus. 4th ed. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114833/all/Coma. Accessed April 24, 2019.
Zeiger, R. F. (2014). Coma. In Diagnosaurus. Available from https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114833/all/Coma
Zeiger RF. Coma [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2019 April 24]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114833/all/Coma.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Coma ID - 114833 A1 - Zeiger,Roni F, Y1 - 2014/12/01/ BT - Diagnosaurus UR - https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114833/all/Coma PB - McGraw-Hill Education ET - 4 DB - Emergency Central DP - Unbound Medicine ER -