About The Medical Condition Methemoglobinemias
Find the definition of the medical term Methemoglobinemias. Methemoglobinemias defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Methemoglobinemias
| Methemoglobinemias Medical Condition |
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What's The Definition Of The Medical Condition Methemoglobinemias?
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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