Ideal & Adjusted Body Weight
Devine ideal body weight, with adjusted body weight for dosing in obesity.
When to use it. Dosing drugs that distribute into lean tissue, and setting tidal volume in lung-protective ventilation (which uses PREDICTED body weight, calculated the same way).
本页的医疗安全信息以英文显示。它尚未经过能阅读简体中文的临床医生审核，而依赖无人核验的译文并不安全。
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Limits of this score. Which weight to use depends entirely on the drug. Aminoglycosides use adjusted weight; suxamethonium uses total body weight; ventilator tidal volume uses predicted weight and never actual weight. Using the wrong one is a dosing error, not a rounding difference.
Sources
- Devine BJ. Gentamicin therapy. Drug Intell Clin Pharm 1974;8:650–5.
- ARDS Network. Ventilation with lower tidal volumes for acute lung injury and ARDS. N Engl J Med 2000;342:1301–8.
Where this is written from. This site is written from Indian clinical practice. Drug availability and brand names, vaccination schedules, national health programmes and some reference cut-offs differ between countries — a schedule or a threshold that is standard here may not be standard where you are. If you are reading outside India, check anything on this page against your own country’s guidance before you act on it.
Educational use only — not medical advice. Never a substitute for clinical judgement.