Heart Rhythm O2is the newest online-only, open access publication of the Heart Rhythm Society and is one of two open access companion titles to the respected HeartRhythm. With a focus on cardiac arrhythmias and electrophysiology, Heart Rhythm O2 publishes original clinical and experimental research, review articles, points-of-view, images and short reports focusing on new technologies, commentaries and letters to the editor. All articles will be peer reviewed. As an open access journal, Heart Rhythm O2 serves as a major venue for sharing the latest research and technologies for electrophysiologists and allied health professionals from around the world.

Heart Rhythm O2is the newest online-only, open access publication of the Heart Rhythm Society and is one of two open access companion titles to the respected HeartRhythm. With a focus on cardiac arrhythmias and electrophysiology, Heart Rhythm O2 publishes original clinical and experimental research, review articles, points-of-view, images and short reports focusing on new technologies, commentaries and letters to the editor. All articles will be peer reviewed. As an open access journal, Heart Rhythm O2 serves as a major venue for sharing the latest research and technologies for electrophysiologists and allied health professionals from around the world.