Nitrite-induced methaemoglobinaemia - aetiology, diagnosis and treatment.
case_report · Level V
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Abstract
A 41-year-old woman presented with the clinical features of methaemoglobinaemia after drinking Chinese herbal medicine. A life threatening methaemoglobin level of 68% was measured. Both clinical and laboratory diagnostic difficulties were encountered. The pitfalls of pulse oximeter, blood gas analysis and co-oximeter interpretation during diagnosis and after methylene blue administration are discussed.
Medical subject headings
- Drugs, Chinese Herbal
- Methemoglobinemia
- Nitrates