Systemic IV Heparin Rate Calculator

Anticoagulation Therapy with Impella® Heparin Infusion

Total Heparin Delivered to Patient (Rate) Recommended by hospital protocol or pharmacy

Calculate Impella Delivered Heparin Rate

Heparin Concentration in Purge from AIC*
Purge Flow Rate from AIC**Taken from Automated Impella Controller
Impella Delivered Heparin Rate


Systemic IV Heparin Rate

Abiomed recommends using a heparin concentration of 25 U/mL in the purge system. D5W with heparin 25 U/mL or 50 U/mL is acceptable.

Total heparin delivered to the patient should include heparin from both the Impella® heart pump’s purge system as well as the systemic IV heparin.

This information is provided for educational purposes only and does not constitute medical advice. Please follow the protocols established by your center. If you have any questions, please contact Abiomed’s Clinical Support Center at 1-800-422-8666.