Medical Calculator – SonDoctor.com
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體液分佈計算機 (Body Fluid Compartment Calculator)

TBW (Total body water) = 體重 × 60%
TBW = ECF + ICF
ECF (Extracellular fluid) = TBW × 1/3 = 體重 × 20%
ICF (Intracellular fluid) = TBW × 2/3 = 體重 × 40%
ECF = Plasma + 組織間液
Plasma = ECF × 1/4 = 體重 × 5%
組織間液 = ECF x 3/4 = 體重 × 15%





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