Stephen J. Schueler, M.D.

Overview Incidence Symptoms Evaluation Treatment specialist Warning Signs Prevention Underlying Cause

Poisoned by Carbon Monoxide Evaluation

The evaluation of carbon monoxide poisoning begins with a history and physical examination.

Physical findings in those with carbon monoxide poisoning may include:

The diagnosis of carbon monoxide poisoning must be confirmed through testing.

Tests that may be used to evaluate carbon monoxide poisoning include:

CO LevelSymptoms
Under 10 percentno symptoms
20 percentheadache, nausea, vomiting
30 percentconfusion, lethargy, EKG changes
40 to 60 percentcoma
Over 60 percentcardiac arrest

Continue to Poisoned by Carbon Monoxide Treatment

Last Updated: Dec 7, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Poisoned by Carbon Monoxide References
  1. Annane D, Chevret S, Jars-Guincestre C, Chillet P, Elkharrat D, Gajdos P, Raphael C. Prognostic factors in unintentional mild carbon monoxide poisoning. Intensive Care Med. 2001 Nov;27(11):1776-81. [11810122]
  2. Centers for Disease Control and Prevention (CDC). Carbon monoxide poisoning after hurricane Katrina--Alabama, Louisiana, and Mississippi, August-September 2005. MMWR Morb Mortal Wkly Rep. 2005 Oct 7;54(39):996-8. [16208314]
  3. Domachevsky L, Adir Y, Grupper M, Keynan Y, Bentur Y. Hyperbaric oxygen in the treatment of carbon monoxide poisoning. Clin Toxicol (Phila). 2005;43(3):181-8. [15902792]
  4. Juurlink DN, Buckley NA, Stanbrook MB, Isbister GK, Bennett M, McGuigan MA. Hyperbaric oxygen for carbon monoxide poisoning. Cochrane Database Syst Rev. 2005 Jan 25;(1):CD002041. [15674890]
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