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Therefore, creatinine concentrations in blood and urine may be used to calculate the creatinine clearance (CrCl), which correlates approximately with the glomerular filtration rate (GFR). Blood creatinine concentrations may also be used alone to calculate the estimated GFR (eGFR). The GFR is clinically important as a measurement of kidney function.
Creatinine clearance (C Cr) is the volume of blood plasma that is cleared of creatinine per unit time and is a useful measure for approximating the GFR. Creatinine clearance exceeds GFR due to creatinine secretion, [4] which can be blocked by cimetidine.
C x is the renal plasma clearance of X; C in is the renal plasma clearance of inulin. Creatinine is sometimes used instead of inulin as the reference substance; for example, the calcium-creatinine clearance ratio is used in an attempt to distinguish between different causes of a high plasma calcium concentration. [3]
The glomerular filtration rate is the flow rate of filtered fluid through the kidney. The creatinine clearance rate (C Cr or CrCl) is the volume of blood plasma that is cleared of creatinine per unit time and is a useful measure for approximating the GFR. Creatinine clearance exceeds GFR due to creatinine secretion, [1] which can be blocked by ...
Creatine supplements are marketed in ethyl ester, gluconate, monohydrate, and nitrate forms. [40] Creatine supplementation for sporting performance enhancement is considered safe for short-term use but there is a lack of safety data for long term use, or for use in children and adolescents. [41] Some athletes choose to cycle on and off creatine ...
Creatine comes in powder, pill, liquid or gummy form. There are also multiple types of creatine, from creatine monohydrate to creatine hydrochloride to creatine ethyl ester. Talk to your health ...
When the substance "C" is creatinine, an endogenous chemical that is excreted only by filtration, the clearance is an approximation of the glomerular filtration rate. Inulin clearance is less commonly used to precisely determine glomerular filtration rate.
Many people take creatine to build strength, promote brain health, and optimize their workouts. Here, experts share when to take creatine for optimal benefits.