Ruler Ekg 1/2Cycle Scale 1-11/16X6-3/8In, Carton of 100

Details

Ekg Ruler Coupling 1 11/16 X 6 3/8 In^ Ekg Ruler, Features Are Seconds Scale For Pr, Qrs, Cycle, Length, Coupling, Escape, And Parasystolic Intervals, offers Both 1 And 2 Cycle Scales, Small Enough To Fit In A Medical Coat Pocket, Complete With Protective Sleeve, Size: 1 11/16 X 6 3/8 I