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[Gr. meta, across, + haima, blood, + L. globus, globe] SYMB: metHb. A form of hemoglobin in which the ferrous iron has been oxidized to ferric iron. Methemoglobin cannot transport oxygen. The presence of metHb in the blood may be due to toxic substances such as aniline dyes, potassium chlorate, or nitrate-contaminated water and to atypical responses to benzocaine-like analgesics, among other causes. Methemoglobin also is present in patients with a hereditary deficiency of methemoglobin reductase.
Venes, Donald, editor. "Methemoglobin." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/770388/all/methemoglobin.
Methemoglobin. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/770388/all/methemoglobin. Accessed September 15, 2019.
Methemoglobin. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/770388/all/methemoglobin
Methemoglobin [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 September 15]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/770388/all/methemoglobin.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - methemoglobin
ID - 770388
ED - Venes,Donald,
BT - Taber's Medical Dictionary
UR - https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/770388/all/methemoglobin
PB - F.A. Davis Company
ET - 23
DB - Nursing Central
DP - Unbound Medicine