// multi-utility computation suite · offline · instant · precise
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│ [c] calcalyst_ │
│ computation suite │
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health.two-compartment-pk Calculator
Models two-compartment IV bolus pharmacokinetics with a biexponential plasma concentration curve, separating distribution and elimination phases. The two-compartment model is necessary for aminoglycosides, vancomycin, and other drugs where tissue distribution significantly affects peak levels.
Inputs
Dose Mg
Amount of medication administered per period. Most dosing is weight-based — verify with a licensed prescriber before clinical use.
A Coeff
Reference formula or conversion factor shown for context.
Alpha Rate
Amount per unit of time or per unit quantity. Check the denominator before interpreting.
B Coeff
Reference formula or conversion factor shown for context.
Beta Rate
Amount per unit of time or per unit quantity. Check the denominator before interpreting.
Time H
Duration of the process. Make sure units match the rate inputs (seconds, minutes, or hours).
Results
concentration C(t) (mg/L)
The proportional relationship between two quantities.
AUC (mg·h/L)
Reference formula or conversion factor shown for context.
clearance CL (L/h)
Sample size or count used in the calculation.
Vss (L)
Reference formula or conversion factor shown for context.
C(t) = A·e^(-αt) + B·e^(-βt)
Reference formula or conversion factor shown for context.