Rapid ID – EKG Intervals & Measures

SR 19

Need a quick reference for EKG interpretations to help with measuring EKG intervals, heart rates and QRS complex segments?
Get this Rapid ID card that contains a quick and easy way to measure heart rates down to 20 beats/minute and heart rate pauses to 3 seconds on full 12-lead EKGs or rhythm strips.
Standard reference ranges are provided for the P Wave, PR Interval, QTC Interval, and QRS Complex to compare your tracing. Flip the card over to see a QRS complex labeled to remind you where all the segments, intervals and specific points are located. Carry this card behind your hospital or ID badge for rapid referencing and daily use.


  • EKG normal values for the P Wave, PR interval, QRS complex duration, QTC interval
  • Heart rate measuring along one card edge from 300 to 20 beats/min
  • Interval measurements from 0.01 to 0.40 for comparison
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Rapid ID - EKG Intervals & Measures

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