Ruler Student Pocket Reference Guide Electrocardiogram Ruler Cardiogram Transparent Soft Heart Rate Ruler

Features:
Fast essential ECGmeasurement for on paper and screen of patient monitor defibrillators.
Crafted from high quality plastic material, this ruler provides flexibility and accurate measurements.
Perfect for everyday clinical routine use and first respond service.
Lightweight, small size,easy to carry.
Whether in a medicals offices, hospital, or during rounds, the ECG Ruler is a versatile tool that provides essential measurements for accurate electrocardiogram interpretation in a conveniently compact forms.
Specifications:
Material:Plastic
Color:Dark Blue,Light Blue
Size:Approx.21cm/8.26''x9cm/3.54''
Package Includes:
1x ECG Ruler
Note:
Please allow 1mm errors due to manual measurement.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.