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A member asked:
How come i barely drink liquids for several days prior to bloodwork my egfr in the 70's if i drink 30 oz of water or more days prior to test in 90's
A doctor has provided 1 answer
Egfr: Good observation. Egfr or estimated glomerular filtration rate is highly dependent on the hydration level at the time the blood sample is drawn and your case is just a good example of what a difference hydration might make.
Answered 9/13/2016
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