???creatinine???

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they say that creatinine level is the best test should be done in patient with glomerulonephritis than BUN test?why?

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The creatinine clearance measures how much creatinine is being excreted by the kidneys. If the kidneys are not working right, less will be excreted.

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Specializes in Onc/Med-Surg, ER, Nursing Supervisor.

BUN can be elevated from dehydration. It's not the best test to determine kidney function.

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Specializes in med/surg, telemetry, IV therapy, mgmt.

Creatinine is a better test of long term disease process. It takes longer for it to show changes. BUN can fluctuate from hour to hour.

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