Perfusion Nexus is a realistic cardiopulmonary bypass simulator for students and practicing perfusionists. Practice heparin, cardioplegia, gas exchange, and crisis management — free to start.
No account required for Free · Install as an app on desktop or phone
Realistic physiology, safety interlocks, and crisis scenarios — not a toy demo.
Arterial pump, reservoir, VAVD, sweep/FiO₂, H/C temperature, clamps, and pump sucker with real safety rules.
Weight-based dosing, ACT checks that drift on bypass, AT-III for resistance, protamine reversal with sucker interlock.
Antegrade/retrograde, myocardial cooling, VF→asystole, hot shot reperfusion, and delayed rewarming.
PaO₂/PaCO₂/pH track sweep & FiO₂. DO₂, DO₂i, O₂ER, NIRS, and drug responses for K⁺, BE, glucose.
Collect, process, and return washed RBCs. Pump sucker routes shed blood to the bowl.
Hypotension, air, cerebral malperfusion, acidosis, bleeding, low reservoir — Pro unlocks the full event set.
Start free. Upgrade when you want advanced cases and crisis drills.
After payment you’ll receive a license key by email.
Enter it in the sim: Pro → Unlock
Quick answers before you start.
No for Free. Pro is unlocked with a license key after Stripe checkout — no WordPress or membership login required.
Yes. It’s a Progressive Web App. Use “Install” in Chrome/Edge or “Add to Home Screen” on iOS.
Stripe handles the $14/month subscription securely. You can cancel anytime from the Stripe customer portal link in your receipt email.
No. Perfusion Nexus is an educational simulation only. It does not replace clinical training, institutional protocols, or certification.