- EKG specific calculators for Heart Rate, PR, QRS and QT intervals
- Easy Heart Rate calculator with full readout of rate down to 30 beats per minute
- EKG Axis determination diagram
- Normal EKG values for P wave, PR interval, QRS duration, QT interval, QTC interval
- Diagrammatic representation of the EKG complex with areas or segments labeled to help you recognize the intervals
DCS –
just what I wanted. came in two sets, I keeped one and gave the other as a gift for a friend.
Britt –
Some of the info on the card was wrong but it still worked for measuring ekgs.
Christine King –
Great for quick reference
Benetta Hargrove –
Item arrived when expected. Good quality and easy to use.
Tcball –
Fit on badge reel for easy access!