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creatinine clearance

creatinine clearance in Medicine

creatinine clearance n.
The volume of serum or plasma that would be cleared of creatinine by one minute's excretion of urine.

The American Heritage® Stedman's Medical Dictionary
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Encyclopedia Article for creatinine clearance

clinical measurement used to estimate renal function, specifically the filtration rate of the glomeruli (clusters of blood vessels that are the primary filtering structures of the kidney). Creatinine is a chemical end product of creatine metabolism that is removed, or cleared, from blood plasma by glomeruli and is excreted in the urine. The creatinine clearance value is determined by measuring the concentration of endogenous creatinine (that which is produced by the body) in both plasma and urine; the reference value for men is 85-125 millilitres per minute and that for women is 75-115 ml per minute. A low or decreased creatinine clearance level may indicate such conditions as glomerulonephritis (inflammation of the glomeruli; also called Bright's disease), ureteral obstruction, or pyelonephritis (kidney infection).

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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