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Roy M. John

Palo Alto University · US
Area of research
Cardiology and Cardiovascular Medicine · Radiology, Nuclear Medicine and Imaging
Research interest
Research interests include Cardiac Arrhythmias and Treatments, Atrial Fibrillation Management and Outcomes, Cardiac pacing and defibrillation studies, and Cardiac electrophysiology and arrhythmias.
h-index
46
citations
6,115
works
223
NIH funding
primary concept
email

Recent publications

Arrhythmia substrates accessible from the aortic root and immediate sub-aortic areas: Mapping and ablation
Heart Rhythm 2026cited by 0position: firstdoi
Fascicular and Papillary Muscle Arrhythmias in the Structurally Normal Heart
Arrhythmia & Electrophysiology Review 2025cited by 2position: lastdoi
Bundle branch reentrant ventricular tachycardia in transthyretin cardiac amyloidosis
Heart Rhythm 2025cited by 0position: lastdoi
Intramyocardial Hematoma During Catheter Ablation for Scar-Related Ventricular Tachycardia
JACC. Clinical electrophysiology 2023cited by 8position: firstdoi
Tyrosine kinase inhibitor–associated ventricular arrhythmias: a case series and review of literature
Journal of Interventional Cardiac Electrophysiology 2022cited by 19position: middledoi
Case Volume and Procedural Outcomes in Ablation for Atrial Fibrillation: Practice Makes Perfect?
2022cited by 0position: lastdoi
Case volume and procedural outcomes in ablation for atrial fibrillation: Practice makes perfect?
Journal of Cardiovascular Electrophysiology 2022cited by 0position: lastdoi
Abstract 14115: Multivariate Predictors of Long-Term Outcome From Ventricular Tachycardia Ablation in a Large Registry
Circulation 2022cited by 0position: middledoi
Case volume and procedural outcomes in ablation for atrial fibrillation: Practice makes perfect?
2022cited by 0position: contributordoi
Idiopathic ventricular outflow tract arrhythmias: Avoid the use of a sledgehammer to crack a nut.
2022cited by 0position: contributordoi
Durable pulmonary vein isolation with diffuse posterior left atrial ablation using low-flow, median power, short-duration strategy.
2022cited by 0position: contributordoi
Case Volume and Procedural Outcomes in Ablation for Atrial Fibrillation: Practice Makes Perfect?
2022cited by 0position: contributordoi
Clinical predictors of heart block during atrioventricular nodal reentrant tachycardia ablation: A multicenter 18-year experience.
2021cited by 3position: contributordoi
Idiopathic Ventricular Outflow Tract Arrhythmias: Avoid the Use of a Sledgehammer to Crack a Nut
2021cited by 0position: contributordoi
Percutaneous approaches for retrieval of an embolized or malpositioned left atrial appendage closure device: A multicenter experience
Heart Rhythm 2020cited by 23position: middledoi
Electrocardiographic localization of ventricular arrhythmias successfully ablated from the distal great cardiac vein.
2020cited by 2position: contributordoi
Atrial conduction velocity and risk of recurrent atrial fibrillation after ablation: Time to blank the blanking period?
2020cited by 1position: contributordoi
2019 HRS expert consensus statement on evaluation, risk stratification, and management of arrhythmogenic cardiomyopathy
Heart Rhythm 2019cited by 794position: middledoi
2019 HRS expert consensus statement on evaluation, risk stratification, and management of arrhythmogenic cardiomyopathy: Executive summary
Heart Rhythm 2019cited by 185position: middledoi
Endpoints for Successful Slow Pathway Catheter Ablation in Typical and Atypical Atrioventricular Nodal Re-Entrant Tachycardia
JACC. Clinical electrophysiology 2018cited by 68position: middledoi
Impact of Lowering Irrigation Flow Rate on Atrial Lesion Formation in Thin Atrial Tissue
JACC. Clinical electrophysiology 2017cited by 52position: middledoi
Global Survey of Esophageal Injury in Atrial Fibrillation Ablation
JACC. Clinical electrophysiology 2015cited by 52position: middledoi
Multicenter experience with extraction of the Riata/Riata ST ICD lead
Heart Rhythm 2014cited by 51position: middledoi
Superior Vena Cava Defibrillator Coils Make Transvenous Lead Extraction More Challenging and Riskier
Journal of the American College of Cardiology 2013cited by 465position: middledoi
Effect of Sleep Apnea and Continuous Positive Airway Pressure on Cardiac Structure and Recurrence of Atrial Fibrillation
Journal of the American Heart Association 2013cited by 157position: middledoi
Ventricular arrhythmias and sudden cardiac death
The Lancet 2012cited by 284position: firstdoi

Grants

No grants ingested yet.

Frequent collaborators

· 8 papers (2020–2022)William G. Stevenson · North Shore Hospital5 papers (2012–2023)Laurence M. Epstein · North Shore Diabetes and Endocrine Associates5 papers (2012–2017)Usha B. Tedrow · Brigham and Women's Hospital4 papers (2012–2023)Gregory F. Michaud · Medical University of South Carolina3 papers (2013–2017)Bruce A. Koplan · Harvard University3 papers (2012–2017)Rahul G. Muthalaly · Monash University3 papers (2018–2022)Muhammad Fazal · Palo Alto University2 papers (2022–2025) · 2 papers (2013–2014) · 2 papers (2013–2014)Gregory F. Michaud · University of Antwerp2 papers (2012–2023)Avi Fischer · Abbott (United States)2 papers (2013–2014)Kristie Coleman · Northwell Health2 papers (2020–2021) · 2 papers (2023–2025)Ronald Witteles · Alnylam Pharmaceuticals (United States)2 papers (2022–2025)Maria Grazia Bongiorni · Emory University2 papers (2013–2014)Saurabh Kumar · Dr. Ram Manohar Lohia Avadh University2 papers (2015–2017)Sanjiv M. Narayan · Stanford University2 papers (2022–2022)Tina Baykaner · Cardiovascular Institute of the South2 papers (2022–2022)Suneet Mittal · Mercy General Hospital2 papers (2013–2014)