Work out heparin units per hour instantly with clear inputs, formula shown and shareable results.
Converts a heparin bag concentration and pump rate into units per hour, then indexes it to body weight for comparison with the protocol rate.
Heparin delivery
Concentration = bag units / bag volume; units per hour = concentration x pump rate; units/kg/h = units per hour / weight
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
About 18 units/kg/h after an 80 units/kg bolus for venous thromboembolism.
APTT ratio or anti-Xa six hours after starting and after every rate change.