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  2. Glomerular filtration rate - Wikipedia

    en.wikipedia.org/wiki/Glomerular_filtration_rate

    A commonly used surrogate marker for the estimation of creatinine clearance is the CockcroftGault (CG) formula, which in turn estimates GFR in ml/min: [21] It is named after the scientists, the asthmologist Donald William Cockcroft (b. 1946) and the nephrologist Matthew Henry Gault (1925–2003), who first published the formula in 1976, and ...

  3. Assessment of kidney function - Wikipedia

    en.wikipedia.org/wiki/Assessment_of_kidney_function

    The above formula only applies for GFR calculation when it is equal to the clearance rate. The normal range of GFR, adjusted for body surface area , is 100–130 average 125 (mL/min)/(1.73 m 2 ) in men and 90–120 (mL/min)/(1.73 m 2 ) in women younger than the age of 40.

  4. Renal clearance ratio - Wikipedia

    en.wikipedia.org/wiki/Renal_clearance_ratio

    The renal clearance ratio or fractional excretion is a relative measure of the speed at which a constituent of urine passes through the kidneys. [ 1 ] [ 2 ] It is defined by following equation: c l e a r a n c e r a t i o o f X = C x C i n {\displaystyle clearance\ ratio\ of\ X={\frac {C_{x}}{C_{in}}}}

  5. Renal physiology - Wikipedia

    en.wikipedia.org/wiki/Renal_physiology

    A simple means of estimating renal function is to measure pH, blood urea nitrogen, creatinine, and basic electrolytes (including sodium, potassium, chloride, and bicarbonate). As the kidney is the most important organ in controlling these values, any derangement in these values could suggest renal impairment.

  6. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    The INR is a corrected ratio of a patient's PT to normal Activated partial thromboplastin time (APTT) 18, [15] 30 [5] [18] 28, [15] 42, [5] 45 [18] s: Thrombin clotting time (TCT) 11: 18: s: Fibrinogen: 1.7, [15] 2.0 [5] 3.6, [5] 4.2 [15] g/L: Antithrombin: 0.80 [5] 1.2 [5] kIU/L: 0.15, [151] 0.17 [152] 0.2, [151] 0.39 [152] mg/mL Bleeding time ...

  7. Filtration fraction - Wikipedia

    en.wikipedia.org/wiki/Filtration_fraction

    In renal physiology, the filtration fraction is the ratio of the glomerular filtration rate (GFR) over the renal plasma flow (RPF).. Filtration Fraction, FF = GFR/RPF, or =. ...

  8. Clearance (pharmacology) - Wikipedia

    en.wikipedia.org/wiki/Clearance_(pharmacology)

    The above equation makes clear the relationship between mass removal and clearance. It states that (with a constant mass generation) the concentration and clearance vary inversely with one another. If applied to creatinine (i.e. creatinine clearance ), it follows from the equation that if the serum creatinine doubles the clearance halves and ...

  9. Creatinine clearance - Wikipedia

    en.wikipedia.org/?title=Creatinine_clearance&...

    To a related topic: This is a redirect to an article about a similar topic.. Redirects from related topics are different than redirects from related words, because a related topic is more likely to warrant a full and detailed description in the target article.