sulfhemoglobin

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sulfhemoglobin

[¦səlf′hē·mə‚glō·bən]
(biochemistry)
A greenish substance derived from hemoglobin by the action of hydrogen sulfide; it may appear in the blood following the ingestion of sulfanilamide and other substances.
References in periodicals archive ?
Phenazopyridine should be used with caution especially for an infant younger than 1 month or with G6PD deficiency because of the risk for methemoglobinemia, sulfhemoglobinemia, and hemolytic anemia.
Dapsone induced methemoglobinemia, sulfhemoglobinemia and hemolyticanemia: A case report with note on treatment strategies.
This may be due to hypoxemia, methemoglobinemia, or sulfhemoglobinemia (1).
The use certain drugs such as sulfonamides are associated with the development of sulfhemoglobinemia. A sulfur atom attaches to the hemoglobin molecule, preventing the molecule from binding with O2 and causing the dissociation curve to shift to the right.
* Peripheral cyanosis may be caused by pulmonary, cardiac and vascular diseases, enzyme deficiency, methemoglobinemia, sulfhemoglobinemia, and hemoglobin anomalies.
Hemoglobin oxidation: methemoglobin, methemoglobinemia, and sulfhemoglobinemia. In Hemoglobin: Molecular, Genetic and Clinical Aspects.
As a result, a congenital methemoglobinemia attributable to HbM may be mistakenly diagnosed as carbon monoxide poisoning or toxic sulfhemoglobinemia, as happened with this patient (despite her acknowledgement of a family history of chronic methemoglobinemia at presentation).
[1] recently described a case of sulfhemoglobinemia. The exact cause of the dyshemoglobinemia in this patient was not clearly mentioned, but it was probably drug-induced.
Sulfhemoglobinemia is the relatively uncommon condition of excess sulfhemoglobin (SulfHb) in the blood.