John Clark, MD

John Clark, MD

John Clark, MD

Director, Pediatric Arrhythmia Center




Arrhythmia Center - Akron

Dr. John Clark specializes in diagnosing and treating heart rhythm disorders in children and teens. He is nationally renowned for using cardiac ablation without radiation to cure abnormal heart rhythms. In fact, Akron Children's average X-ray time for cardiac ablations is less than 2 minutes versus the national average of less than 40 minutes. Because of his expertise, Dr. Clark draws patients from across the United States, and fellow pediatric cardiologists come to Akron Children's to learn his techniques. He has been a speaker at multiple cardiology and medical conferences, as well as featured in a number of local, regional and national media outlets.

Medical School

Northeast Ohio Medical University, Rootstown, OH


Pediatrics: Akron Children's Hospital, Akron, OH


Pediatric Cardiology: Medical University of South Carolina, Charleston
Pediatric Electrophysiology: Cook Children's Hospital, Fort Worth, TX

Board Certifications

American Board of Pediatrics; Pediatric Cardiology

Academic Appointments

Assistant Professor of Clinical Pediatrics, Northeast Ohio Medical University


Heart Rhythm Society
Ohio State Medical Association
American Academy of Pediatrics
American Medical Association
Summit County Medical Society
American Heart Association, Board of Trustees
Pediatric Electrophysiology Society
NEOSPE-Trustee: Representative from Community


Bigelow, Amee M.; Smith, Grace; Clark, John M. Catheter Ablation Without Fluoroscopy: Current Techniques And Future Direction. JAFIB: Journal of Atrial Fibrillation;Apr/May2014, Vol. 6 Issue 6, p7

Clark John, Bockoven JR, Lane John, Patel CR, Smith Grace. Use of Three-Dimensional Catheter Guidance and Trans-Esophageal Echocardiography to Eliminate Fluoroscopy in Catheter Ablation of Left-Sided Accessory Pathways. PACE, March 2008, Vol.31. pp 283-289.

Clark John M, Bockoven John R, Lane John R, Smith Grace L. Akron Children´┐Żs Hospital, Akron, OH. Transseptal Puncture and Catheter Ablation without the use of Fluoroscopy: Results From a Single Institution. Heart Rhythm, May 2007, Vol 4, 5S, pg. S262 (PO4-19) (Abstract)

Smith Grace, Clark John, Elimination of Fluoroscopy Use in a Pediatric Electrophysiology Laboratory Utilizing Three-Dimensional Mapping. PACE, Apr 2007, Vol 30, No. 4, pp 510-518.

Clark John. Catheter Ablation Without Fluoroscopy: Early Results from a Single Institution. Europace, Feb 2007, Vol 9, Supplement 1, pg 18 (117) (Abstract)

Smith Grace, Clark John. Early Experience of Cryoablation for Accessory Pathways in Children. Europace, Feb 2007, Vol 9, Supplement 1, pg 48 (092) (Abstract)

America's Top Doctor

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