MDpocket EKG Heart Rate Calculator Ruler

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Product description

  • Diagrammatic representation of the EKG complex with areas or segments labeled to help you recognize the 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

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