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Blood Concentrations and Symptoms of Carbon Monoxide Poisoning

Picture of clinical symptoms at different concentrations of carboxyhemoglobin in the blood

Adapted from Gilman AG (2002). Goodman and Gilman's The Pharmacological Basis of Therapeutics, 10th ed., p. 1881. New York: McGraw-Hill.

Numbers show the amount of hemoglobin that has bonded with carbon monoxide. This number is also called the carboxyhemoglobin level.

Current as of: August 21, 2019

Author: Healthwise Staff
Anne C. Poinier, MD - Internal Medicine
Kathleen Romito, MD - Family Medicine
Adam Husney, MD - Family Medicine
R. Steven Tharratt, MD, FACP, FCCP - Pulmonology, Critical Care Medicine

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