Heart Rhythm O2
Online Only

Cardiology and Cardiovascular Medicine

Heart Rhythm O2 (2027)

Editor in Chief: Dr. Jeanne E. Poole, MD, FHRS
Organizational Affiliations: Heart Rhythm Society

Heart Rhythm O2 is one of two open access journals of the Heart Rhythm Society. With a focus on cardiac arrhythmias and electrophysiology, Heart Rhythm O2 publishes original clinical and experimental research, review articles, points-of-view, short reports, commentaries, and letters to the editor. All articles are peer reviewed. As an open access journal, Heart Rhythm O2 serves as a major global venue for sharing the latest innovation research and digital health solutions to arrhythmia disorders for electrophysiologists and allied health professionals from around the world.

Global Print Circulation
Online Only
Avg. Global Monthly Visits
8,559
Avg. Global Monthly Unique Visitors
6,036
Avg. Global Monthly Page Views
12,490
Avg. Global eTOC Distribution
106
Circulation updated on 1st October 2026, based on 12-month monthly average October 2025-September 2026, eTOC Metrics: 12 Month Average of eTOC sends - October 2025 to September 2026, Monthly average web metrics based on the period of October 2025 to September 2026