Compact and portable. Will fit in a badge holder (not supplied), or in a pocket.
2 PCS ECG 7 Step Ruler for ECG/EKG Interpretation,ECG Measurement Tool,Portable Pocket ECG EKG Card Ruler,Ecg Ruler Pocketcard with Card Sets,Sturdy and Durable,Provide Auxiliary Analysis
BLASHRD 2pcs ECG 7 Step Ruler,ECG 7 Step Ruler for ECG/EKG Interpretation,ECG Reference Guide Ruler,EKG Calipers Measuring Tool
Anmahe 3 PCS ECG/EKG Rhythm Pocket Card,Ecg Ruler,Dual-Sided Ecg 7 Step Ruler,Horizontal and Vertical Option,ECG Rate Pocket Cards,Rapid Analysis Measurement Too
EKG | ECG Interpretation Made Easy: An Illustrated Study Guide For Students To Easily Learn How To Read & Interpret ECG Strips
CheckMe ECG Monitor with Chest Strap, Real-time ECG Waveforms, AI Analysis Report, Record up to 15 minutes of ECG, Works with Smartphone APP, Portable Bluetooth Heart Rate Monitor for Home Use
