2PCS 7 Step Ruler

Description

📐 Decode every heartbeat with precision and style!

This 2-piece ECG 7 Step Ruler set is a portable, transparent PVC tool designed to streamline ECG interpretation using a scientifically validated 7-step method. Durable, waterproof, and compact, it offers clear reference points for measuring key ECG intervals and abnormalities, making it an indispensable accessory for healthcare professionals and students alike.