• EKG Ruler

  • EKG Ruler
  • 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.

  • SKU: 1145973
  • Price: $2.95