McCoy EKG Ruler 6.5"x1.75"
- 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.
$3.95
McCoy EKG Ruler 6.5"x1.75"—
$3.95

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.











