ECG 7 Step Ruler: Designed with the scientific 7-step ECG interpretation method, it provides clear, intuitive reference points for those hard to remember key points with a step-by-step follow-through process! Helps to quickly analyze ECG. Portable And Transparent Design: Crafted in an ID-sized, transparent format, this family essential ecg ruler fits seamlessly into badge holders, pockets, or toolkits, ensuring quick access wherever you are-perfect for on-the-go use in workplaces, classrooms, or clinical settings. Easy To Read Reference: This reference card allows you to measure the heart rate, and see if the PR interval, QRS complex, QT intervals are out of the normal range and elevation/ depression, The EKG ruler be an excellent addition to your ID badge. And High-Quality Material: Made from sturdy, transparent PVC, this 7 step ruler for ecg/ekg is to wear, waterproof, and easy to clean, maintaining its clarity and functionality over long-term use in demanding environments. Perfect For Learning And Practice: A must-have tool for ECG education and practice, suitable not only for healthcare professionals but also for anyone wanting to master ECG interpretation. Our ECG 7 Step Ruler is a reliable companion for every setting, from classrooms to hospitals. Name:ECG 7 Step Ruler Size:86mm x 54mm Note:This tool is designed to assist you in interpreting an ECG, not to provide a diagnosis. Completing the 7-step plan with normal findings does not that the ECG is normal. Always consult your local guidelines and rely on your training for proper evaluation. Colour:Transparent Material:Plastic Package Contents: 3 * ECG ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.