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CPR-feedback for first responders

SimCPR®Pro is a smart tool that makes CPR more effective.
Simple feedback with visual signals optimizes chest compressions of first responders.

SimCPR®Trainer can be used by training centers in combination with our free SimCPR®app. 

How does SimCPR®Pro work?

SimCPR®Pro supports first-responders to perform effective chest compressions according to the international CPR-guidelines.

The smart SimCPR®-accelerometer accurately calculates the distance between compression and decompression. 

After switching the device on, the flashing red LED indicates a correct tempo of chest compressions (110/min).

As long as compression-decompression is less than 5 cm/2 inches, the red LED will continue flashing. This means compressions are not deep enough and/or the recoil of the victim’s chest is not complete.

As soon as compression-decompression of the chest is more than 5 cm/2 inches, the green LED will flash (110/min). 

This form of feedback improves the quality of CPR, even by healthcare professionals (Resuscitation 2019).

How does SimCPR®Pro work?


SimCPR®Trainer is used by students during CPR-classes and meets the requirements of the American Heart Association (AHA) for feedback devices. It provides visual feedback of the rate and depth of compressions during CPR training.

In combination with the free SimCPR®app also audio feedback is added and students can test their skills scores on rate en depth.

Students also learn how to use the SimCPR®Pro and can choose to buy this medical device from the instructor. 

Training centers who train students with SimCPR-feedback are allowed to use our  SimCPR® Training logo.

Please feel free to contact us.


The inventors

Dr. Harry Palsma (MD)

Dr. Harry Palsma (MD)

Dr. Palsma studied medicine (MD) and has more than 25 years of expertise in bystander CPR.

He trained thousands of students, wrote several first aid books and developed SimCPR-feedback in his mission to optimize survival from cardiac arrest. 

Dr. Erik Damen ( PhD)

Dr. Erik Damen ( PhD)

Dr. Damen has a doctorate (PhD) degree in physics, with 25 years of expertise in accelerometers.

After working for Philips, he started several companies with different accelerometer applications. He joined his experience with Dr. Palsma to develop SimCPR-feedback.