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red blood cell mass

 

Definition: the total mass of erythrocytes in circulation, reduced in anemia and increased in polycythemia. Measurement is by radioisotopic tagging and reinfusion of an aliquot of blood, followed by determination of the dilution of tagged cells in a specimen obtained after an interval of 1–3 hours.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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