Question

Calculate CrCl of the following patient, using the CG Equation. A 45 YO Hispanic male (5'10") 110 kg with Scr =2.3mg/dL. Round to the nearest whole number and include units.

Answer 1

CrCl (male) = ([140-age] × weight in kg)/(serum creatinine × 72)

-> {{140 - 45} * 110] / 2.3mg/dl * 72

-------> 95 * 110/2.3 * 72

---->63ml/min

creatinine clearance is 63ml/min

• The Cockcroft-Gault formula --> creatinine clearance (CrCl)
• measures creatinine levels in both a sample of blood and a sample of urine from a 24-hour urine collection
• Creatinine is a waste product produced by muscles from the breakdown of a compound called creatine. Creatinine is filtered from the blood by the kidneys and released into the urine.
• used to provide a reliable approximation of residual renal function in all patients with CKD.