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A 47-year-old member asked:

Is it possible for total body water to be calculated using radioactive rbc as indicator?

1 doctor answer1 doctor weighed in
Dr. James Blachly
Specializes in Hematology and Oncology
No: Total red cell mass could be calculated this way (although I had thought that the last US center doing this had finally shut down) but I don't believe TBW could.

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Last updated Sep 17, 2015

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