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Carboxyhemoglobin

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carboxyhemoglobin /car·boxy·he·mo·glo·bin/ (-he´mo-glo?bin) hemoglobin combined with carbon monoxide, which occupies the sites on the hemoglobin molecule that normally bind with oxygen and which is not readily displaced from the molecule.
car·box·y·he·mo·glo·bin (kär-bks-hm-glbn)
n.
The compound that is formed when inhaled carbon monoxide combines with hemoglobin in the blood. Also called carbon monoxide hemoglobin.

Carboxyhemoglobin (COHb)
Hemoglobin that is bound to carbon monoxide instead of oxygen.

carboxyhemoglobin
hemoglobin combined with carbon monoxide, which occupies the sites on the hemoglobin molecule that normally bind with oxygen and which is not readily displaced from the molecule; exposure to carbon monoxide thus results in cellular anoxia. See also hemoglobin.

carboxyhemoglobin COHb Hb in which carbon monoxide–CO is irreversibly bound


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Exposure to CO can be assessed by measuring the carboxyhemoglobin adduct (Shenoi et al.
Smoking may add to exercise and activity limitation by increasing carboxyhemoglobin content and subsequently reducing the oxygen-carrying content capacity in the blood.
COHb stands for carboxyhemoglobin, the measurement of carbon monoxide in the subject's blood.
 
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