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Cardio meter cardiometer ekg ecg interpretation ruler
Cardio Meter CardioMeter EKG ECG Interpretation Ruler
ECG/EKG & Heart Rate Interval Interpretation Tool
Welcome! You are purchasing the EKG / ECG Cardiometer / Cardio Meter! This clear plastic ruler sized Cardio Meter helps with EKG and heart rate interval interpretation. Dimensions: 6 3/4 x 1 1/2 .
