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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 ...
Creatinine clearance exceeds GFR due to creatinine secretion, [4] which can be blocked by cimetidine. Both GFR and C Cr may be accurately calculated by comparative measurements of substances in the blood and urine, or estimated by formulas using just a blood test result ( eGFR and eC Cr ) The results of these tests are used to assess the ...
The GFR is derived from the serum creatinine and is proportional to 1/creatinine, i.e. it is a reciprocal relationship; the higher the creatinine, the lower the GFR. It reflects one aspect of kidney function, how efficiently the glomeruli – the filtering units – work. The normal GFR is >90 ml/min.
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.
The blood creatinine level is the basis of the eGFR, so the paragraph is contradicting itself. MG For this phrase: "While a baseline serum creatinine of 2.0 md/dL may indicate normal kidney function in a male body builder, a serum creatinine of 0.7 md/dL can indicate significant renal disease in a frail old woman."
Outside the United States, blood tests made up of the majority of the same biochemical tests are called urea and electrolytes (U&E or "U and Es"), or urea, electrolytes, creatinine (UEC or EUC or CUE), and are often referred to as 'kidney function tests' as they also include a calculated estimated glomerular filtration rate. The BMP provides ...
Male: 2.1 [23] 8.5 [23] mg/dL: Creatinine: Male: 60, [5] 68 [174] 90, [5] 118 [174] μmol/L: May be complemented with creatinine clearance: 0.7, [175] 0.8 [175] 1.0, [175] 1.3 [175] mg/dL Female: 50, [5] 68 [174] 90, [5] 98 [174] μmol/L 0.6, [175] 0.8 [175] 1.0, [175] 1.1 [175] mg/dL BUN/Creatinine Ratio: 5 [23] 35 [23] – Plasma glucose ...
In humans, the kidneys together receive roughly 20 - 25% of cardiac output, amounting to 1.2 - 1.3 L/min in a healthy adult. [1] It passes about 94% to the cortex. RBF is closely related to renal plasma flow ( RPF ), which is the volume of blood plasma delivered to the kidneys per unit time.
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