Heart Rhythm O2, the newest addition to the online-only, open access publications of the Heart Rhythm Society, stands as a prominent companion title to the esteemed HeartRhythm. This journal, with a dedicated focus on cardiac arrhythmias and  rves as a dynamic platform for the publication of original clinical and experimental research, review articles, points-of-view, images, short reports, new technologies, commentaries, and letters to the editor.

Key Features of Heart Rhythm O2:

1. Original Research: The journal emphasizes the publication of original clinical and experimental research, contributing to the advancement of knowledge in cardiac arrhythmias and electrophysiology. This includes studies that explore new technologies and innovative approaches in the field.
2. Review Articles: Heart Rhythm O2 welcomes comprehensive review articles that provide in-depth insights into specific aspects of cardiac electrophysiology. These articles contribute to synthesizing existing knowledge and guiding future research directions.
3. Points-of-View: The inclusion of points-of-view allows experts in the field to share their perspectives on key issues, emerging trends, and controversies in cardiac arrhythmias and electrophysiology. This format encourages a diversity of viewpoints and stimulates scholarly discussion.
4. Images and Short Reports: The journal provides a platform for the presentation of impactful images and concise short reports, offering valuable glimpses into clinical cases, technological innovations, or noteworthy findings.
5. New Technologies: Heart Rhythm O2 specifically focuses on showcasing new technologies in the realm of electrophysiology. This emphasis aligns with the journal’s commitment to staying at the forefront of advancements in the field.
6. Commentaries an to the Editor: The inclusion of commentaries and letters to the editor fosters a dynamic exchange of ideas and opinions among professionals in the global electrophysiology community.
7. Peer-Reviewed Content: All articles published in Heart Rhythm O2 undergo a thorough peer-review process, ensuring the credibility, quality, and relevance of the content.
8. Open Access Model: As an open access journal, Heart Rhythm O2 promotes unrestricted access to its content, facilitating the global dissemination of knowledge. This open access model aligns with the journal’s mission to serve as a major venue for electrophysiologists and allied health professionals worldwide.

Authors are encouraged to submit case reports, illustrations, and educational vignettes to the companion title, HeartRhythm Case Reports, fostering a collaborative approach in disseminating valuable insights and experiences within the electrophysiology community. Together, Heart Rhythm O2 and HeartRhythm Case Reports contribute to the vibrant exchange of information and ideas in the evolving field of cardiand electrophysiology.

Volume 4, Issue 1: Pages 1-78 (January 2023)

Volume 4, Issue 2: Pages 79-156 (February 2023)

Volume 4, Issue 3: Pages 157-224 (March 2023)

Volume 4, Issue 4: Pages 225-290 (April 2023)

Volume 4, Issue 5: Pages 291-342 (May 2023)

Volume 4, Issue 6: Pages 343-416 (June 2023)

Volume 4, Issue 7: Pages 417-468 (July 2023)

Volume 4, Issue 8: Pages 469-522 (August 2023)

Volume 4, Issue 9: Pages 523-596 (September 2023)

Volume 4, Issue 10: Pages 597-670 (October 2023)

Volume 4, Issue 11: Pages 671-756 (November 2023)