Simultaneous determination of carboxyhemoglobin and methemoglobin in victims of carbon monoxide poisoning. 1980

Y Katsumata, and M Aoki, and M Oya, and O Suzuki, and S Yada

Concentrations of methemoglobin (Met-Hb) and carboxyhemoglobin (HbCO) were simultaneously determined in blood samples from the victims of city gas poisoning, fires, and exhaust fumes poisoning. All the samples contained concentrations of HbCO, although the concentrations for victims of city gas poisoning were significantly higher than those for victims of fires or exhaust fumes poisoning. Only negligible amounts of Met-Hb were detected in the samples from cases of city gas poisoning, while 4.9 to 31.6% of Met-Hb were found in all but one (1.8%) of the samples of the other two cases. Heat denaturation was considered to be the main cause of Met-Hb production in cases of fires, and inhalation of oxides of nitrogen in cases of exhaust fumes poisoning.

UI MeSH Term Description Entries
D008706 Methemoglobin Ferrihemoglobin
D008708 Methemoglobinemia The presence of methemoglobin in the blood, resulting in cyanosis. A small amount of methemoglobin is present in the blood normally, but injury or toxic agents convert a larger proportion of hemoglobin into methemoglobin, which does not function reversibly as an oxygen carrier. Methemoglobinemia may be due to a defect in the enzyme NADH methemoglobin reductase (an autosomal recessive trait) or to an abnormality in hemoglobin M (an autosomal dominant trait). (Dorland, 27th ed) Methemoglobinemias
D002249 Carbon Monoxide Poisoning Toxic asphyxiation due to the displacement of oxygen from oxyhemoglobin by carbon monoxide. Illuminating Gas Poisoning,Poisoning, Carbon Monoxide,Poisoning, Illuminating Gas,Carbon Monoxide Poisonings,Gas Poisoning, Illuminating,Gas Poisonings, Illuminating,Illuminating Gas Poisonings,Monoxide Poisoning, Carbon,Monoxide Poisonings, Carbon,Poisonings, Carbon Monoxide,Poisonings, Illuminating Gas
D002263 Carboxyhemoglobin Carbomonoxyhemoglobin,Carbonmonoxyhemoglobin,Carbonylhemoglobin,Carboxyhemoglobin A,Carboxyhemoglobin C
D006454 Hemoglobins The oxygen-carrying proteins of ERYTHROCYTES. They are found in all vertebrates and some invertebrates. The number of globin subunits in the hemoglobin quaternary structure differs between species. Structures range from monomeric to a variety of multimeric arrangements. Eryhem,Ferrous Hemoglobin,Hemoglobin,Hemoglobin, Ferrous
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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