Sefdrert 3pc ECG 7 Step Ruler,ECG 7 Step Ruler for ECG/EKG Interpretation, ECG Reference Guide Ruler,EKG Calipers Measuring Tool

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! Compact and Convenient: Designed to fit perfectly in your ID badge holder or pocket, this ruler ensures you have a reliable ECG interpretation tool readily accessible during your shifts or practice sessions and Easy-to-Use: Made from high-quality plastic, the ruler is , easy to clean, and provides clear visibility of ECG readings for precise measurements and analysis