ECGRef 1.8 - App Store

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About ECGRef

ECG interpretation, organized for the bedside. ECGRef is a comprehensive electrocardiogram reference for physicians, nurses, advanced practice clinicians, medical students, and other healthcare learners. Use a structured...

ECG interpretation, organized for the bedside. ECGRef is a comprehensive electrocardiogram reference for physicians, nurses, advanced practice clinicians, medical students, and other healthcare learners. Use a structured interpretation workflow, review rhythm patterns, explore ECG leads, check diagnostic criteria, and perform commonly used ECG calculations all in one focused reference. FEATURES . Step-by-step ECG interpretation workflow . Rhythm recognition and clinically relevant pattern review . Interactive frontal-plane and precordial lead explorer . Searchable library of ECG terminology and concepts . ECG calculators for heart rate, QTc, cardiac axis, ventricular hypertrophy, bundle branch block, wide-complex tachycardia, and more . Clinical risk tools . Bedside takeaways, common pitfalls, and “do not miss” findings . Favorites, global search, related content, and personal notes ECGRef connects core electrophysiology with practical ECG analysis. Whether you are learning a systematic approach, reviewing an unfamiliar rhythm, or checking a calculation, the app makes relevant information easy to find. Created by Rishi Kumar, MD, FACC (“RK.MD”), an academic adult cardiothoracic anesthesiologist and cardiovascular ICU intensivist committed to free, open-access medical education. Learn more at https://rk.md ECGRef is intended for educational and informational purposes only. It does not provide medical advice and is not a substitute for professional judgment, diagnosis, or treatment. Clinical findings and calculations must be independently verified and interpreted in the context of the individual patient. Seek guidance from a qualified healthcare professional regarding any medical condition. Do not disregard or delay professional medical advice because of information provided by this app.

Version History Added: Lead Explorer and ECG Interpret tab Updated: Revised medical calculators for guideline accuracy, corrected formulas, and input limits 1.8 1d ago Updated: Improved ECGRef search performance and result ranking Updated: Unified list, card, typography, spacing, and tint styling across the app Updated: Calculator logic refinements 1.7 Sep 19 Added: More content to terms Updated: Patched calculator logic 1.6 Jul 21 Added: Global search functionality Added: Custom notes at the bottom of detail pages Updated: Centralized external links, analytics, and note storage. Expanded global toolbar with persistent notes, universal search, and favorites. Enhanced details view, calculator copy buttons, and list sorting 1.5 Jul 5 Updated: Bug fixes and codebase optimizations 1.4 May 18 Added: Added and modified over 100 Terms Updated: Adjusted user interface elements for Calculator and References tabs 1.3 May 8 Added: Digoxin effect, Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC), Hypertrophic Cardiomyopathy (HCM), Dextrocardia, and Right Ventricular Outflow Tract (RVOT) Tachycardia, Wellens Syndrome, De Winter's T-Waves, and Sgarbossa Criteria rhythms Added: Pinch-to-zoom functionality for the ECG images Updated: Added a Differentiation section to rhythm information Updated: Bug fixes 1.2 Jan 22 Added: Multifocal Atrial Tachycardia (MAT), Wandering Atrial Pacemaker, Junctional Bradycardia, Accelerated Junctional, Left Bundle Branch Block (LBBB), Right Bundle Branch Block (RBBB), Pericarditis Pattern, Hyperkalemia Pattern, Hypokalemia Pattern, Hypercalcemia Pattern, Hypocalcemia Pattern, Electrical Alternans, Osborn (J) Waves Added: Calculator section with option to favorite items Added: ECG images to most of the rhythms Added: Terms section with general ECG/electrophysiology terms 1.1 Jan 16 1.0 Jan 13

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Previous Versions

Here you can find the changelog of ECGRef since it was posted on our website on 2026-01-25 01:29:51. The latest version is 1.8 and it was updated on 2026-10-14 11:52:15. See below the changes in each version.

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