Case Reports
doi: 10.1093/bja/66.5.625.
Carboxyhaemoglobinaemia and pulse oximetry
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- PMID: 2031826
- DOI: 10.1093/bja/66.5.625
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Case Reports
Carboxyhaemoglobinaemia and pulse oximetry
Br J Anaesth.
1991 May.
Free article
Abstract
We compared measurements obtained with a pulse oximeter (SpO2) against values obtained from a CO-oximeter in a patient with carbon monoxide poisoning. SpO2 was equal to the sum of the oxyhaemoglobin (HbO) and carboxyhaemoglobin (HbCO) values over the range of HbCO from 30 to 1%. This confirms the experimental findings that pulse oximeters measure HbCO as HbO. The patient was treated with oxygen (FlO2 = 50%) and recovered without any sequelae. Under these circumstances, the half-life of HbCO was approximately 2 h.
Comment in
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Management of carboxyhaemoglobinaemia.Br J Anaesth. 1992 Jan;68(1):113. doi: 10.1093/bja/68.1.113. Br J Anaesth. 1992. PMID: 1739549 No abstract available.
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Management of carboxyhaemoglobinaemia.Br J Anaesth. 1992 Jan;68(1):113. doi: 10.1093/bja/68.1.113-a. Br J Anaesth. 1992. PMID: 1739550 No abstract available.
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