Nitrite‐induced methaemoglobinaemia – aetiology, diagnosis and treatment

Summary 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 ga...

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Veröffentlicht in:	Anaesthesia 2005-05, Vol.60 (5), p.496-500
Hauptverfasser:	Chui, J. S. W., Poon, W. T., Chan, K. C., Chan, A. Y. W., Buckley, T. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Anesthesia Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy Biological and medical sciences Case studies Drugs, Chinese Herbal - adverse effects Enzyme Inhibitors - therapeutic use Female Folk medicine Humans Medical diagnosis Medical sciences Medical treatment Medication Errors Methemoglobin - metabolism Methemoglobinemia - chemically induced Methemoglobinemia - diagnosis Methemoglobinemia - drug therapy Methylene Blue - therapeutic use Nitrates - adverse effects
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Zusammenfassung:	Summary 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.
ISSN:	0003-2409 1365-2044
DOI:	10.1111/j.1365-2044.2004.04076.x