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NBME 22 Answers

nbme22/Block 3/Question#41

A 56-year-old man develops brief episodes of ...

CL x Css

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submitted by joha961(14),

Maintenance dose = (Css * CL * t) / F

... where t is elapsed time between doses (not relevant here since it’s continuous infusion) and F is bioavailability (which is 100% or 1.0 here because it’s given IV).

​Contrast with loading dose:

(Css * Vd) / F

... where Vd is volume of distribution.

yotsubato  So do we just have to memorize this... +1  
gh889  yep +1