Structured Summary
Abstract
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)
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Synonyms
1 entry terms
- Methemoglobinemias
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Aspects Covered
35 allowable subheadings
Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, congenital, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.
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Indexing Annotation
presence of methemoglobin in blood
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NLM Classification
WH 190
AMA Style
References
- National Library of Medicine. Methemoglobinemia. Medical Subject Headings (MeSH). 2026. Unique ID D008708. http://id.nlm.nih.gov/mesh/2026/D008708
- Methemoglobinemia. In: Wikipedia. https://en.wikipedia.org/wiki/Methemoglobinemia
- Methemoglobinemia. In: Wikidata. https://www.wikidata.org/wiki/Q748442