The Cardio Calipers allow on-screen measurement of any EKG, no matter what format the EKG image is in.
The Cardio Calipers provide a fast and accurate way to measure electrocardiograms on a computer screen with pixel perfect accuracy. The Cardio Calipers allow measurement of any EKG, no matter what format the EKG image is in. Simply open up your EKG in any image viewer application and move the Cardio Calipers into place with the mouse.