Methemoglobinemia laboratory findings
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aksiniya Stevasarova, M.D.
Overview
Methemoglobinemia can be diagnosed with several laboratory findings such as ABG analysis, co-oximetry and pulse oximetry.
Laboratory Findings
ABG Analysis
- On routine ABG analysis the partial pressure of oxygen (PO2) value should in normal reference ranges in patients with methemoglobinemia. The reason lies in the fact that the ABG value represents the oxygen content in the plasma, and not the oxygen-carrying capacity of hemoglobin.[1] [2] [3]
References
- ↑ do Nascimento TS, Pereira RO, de Mello HL, Costa J (2008). "Methemoglobinemia: from diagnosis to treatment". Rev Bras Anestesiol. 58 (6): 651–64. PMID 19082413.
- ↑ Skold A, Cosco DL, Klein R (2011). "Methemoglobinemia: pathogenesis, diagnosis, and management". South Med J. 104 (11): 757–61. doi:10.1097/SMJ.0b013e318232139f. PMID 22024786.
- ↑ Bradberry SM (2003). "Occupational methaemoglobinaemia. Mechanisms of production, features, diagnosis and management including the use of methylene blue". Toxicol Rev. 22 (1): 13–27. PMID 14579544.