Which estimate of renal function should be used when dosing …

Ideal body weight (IBW) should be used when calculating CrCl using C&G particularly in oedematous patients and patients with ascites9. Where the patient's actual body weight is less than their IBW, actual body weight (ABW) should be used instead1. For obese patients IBW can be used, but some experts have suggested that an adjustment factor of ... ................
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