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  • McCoy EKG Ruler 6.5"x1.75"

McCoy EKG Ruler 6.5"x1.75"

SKU: 10039354
$3.95

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Details

  • 6.5” x 1.75”
  • Clear plastic
  • Easy to read
  • Figure correlations for time intervals, rates & voltage from 
  • 25mm to 50 mm, and heart rate, cycle length and QT intervals.

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