Table 2.

Reference formulae for calculating required blood volumes.

$Transfusion Volume \left(mL\right)$

$=\frac{\left[Desired PCV-Actual PCV\right]}{Donor PCV}\times 90\times BW\left(kg\right)$

Alternate Calculations:

$1\% PCV Increase=1.5-2.2\times BW\left(kg\right)$