A 50-year-old man weighing 72 kg has a serum creatinine of 1.0 mg/dL. By the Cockcroft-Gault formula, what is the creatinine clearance?
Answer and explanation
Correct answer: A. 90 mL/min
- Step 1: Cockcroft-Gault: (140 - age) x weight / (72 x creatinine).
- Step 2: (140 - 50) x 72 / (72 x 1.0) = 90 mL/min.
Answer
90 mL/min.
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