$1.68
Original: $4.79
-65%McCoy EKG Ruler 6.5"x1.75"—
$4.79
$1.68The Story
- 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.
Description
- 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.









