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A member asked:
Is there an objective measure for hydration levels, like there is for glucose, cholesterol, bp, etc.?
A doctor has provided 1 answer
No: Hi. Simple answer, no. Hydration (or dehydration) can be inferred by a number of means including orthostatic vital signs (lying, sitting, standing), and in rarer cases, serum electrolytes. The gold standard is left and right sided heart catheterization with pressure measurement, fairly invasive and very expensive.
Answered 2/2/2016
3.2k views
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