Konstantinos Aronis, M.D., Ph.D.

Headshot of Konstantinos Aronis
  • Director, Adult Congenital Heart Disease Complex Ablation Program
  • Assistant Professor of Medicine

Languages: English, Greek


Ablation, Arrhythmia, Arrhythmogenic Right Ventricular Dysplasia, Bradycardia, Cardiac Ablation, Cardiac Arrhythmias, Cardiac Catheterization, Cardiac Electrophysiology, Cardiac Sarcoidosis, Cardiology, Cardiomyopathy, Cardioversion, Catheter Ablation, Catheter Ablation Therapy, Cryoablation, Heart Block, Implantable Cardioverter-Defibrillator Therapy, Insertion of Implantable Cardioverter Defibrillator, Ischemic Heart Disease, Lead Extraction, Pacemaker and ICD Lead Extraction, Pacemaker/Defibrillator Implantation, Pacemakers, Radiofrequency Ablation for Atrial Fibrillation, Supraventricular Tachycardia, Ventricular Arrhythmias, Wolff-Parkinson-White (WPW) Syndrome ...read more

Research Interests

Ventricular Arrhythmias; Arrhythmias in Patients with Adult Congenital Heart Disease; Complex Arrhythmia Mapping; Image Integration in Electrophysiology; Computational Electrophysiology; Catheter Ablation ...read more

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Outside of Maryland & Washington D.C.

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Johns Hopkins Outpatient Center (now called Levi Watkins, Jr., M.D., Outpatient Center)

Appointment Phone: 443-997-0270
601 N. Caroline St.
7th Floor
Baltimore, MD 21287
Phone: 410-502-1953 | Fax: 410-367-2148
Johns Hopkins Outpatient Center (now called Levi Watkins, Jr., M.D., Outpatient Center) - Google Maps

Johns Hopkins Community Physicians - Odenton

Appointment Phone: 443-997-0270
1106 Annapolis Road
Suite 310
Odenton, MD 21113
Phone: 410-502-1953 | Fax: 410-367-2148
Johns Hopkins Community Physicians - Odenton - Google Maps


Dr. Aronis is an Assistant Professor of Medicine in the Division of Cardiology at the Johns Hopkins School of Medicine, the Director of the Complex Adult Congenital Heart Disease Ablation Program, and the Associate Director of the Ventricular Tachycardia Ablation Program. He performs all types of electrophysiology procedures, with a special focus on complex catheter ablations for atrial and ventricular arrhythmias as well as complex ablations for arrhythmias in patients with adult congenital heart diseases. 

Dr. Aronis received his M.D. and Ph.D. degrees with Summa Cum Laude honors from the University of Patras School of Medicine in Greece. He completed his internal medicine residency training at Boston University Medical Center both his Cardiovascular Disease and Clinical Cardiac Electrophysiology fellowships at The Johns Hopkins Hospital. In addition, he has completed a post-doctoral research fellowship in Translational Research at Beth Israel Deaconess Medical Center / Harvard Medical School and an NIH funded (T-32) post-doctoral research fellowship in computational electrophysiology at the Institute of Computational Medicine at the Johns Hopkins Whiting School of Engineering. He actively engages in clinical trials and research studies aimed at improving patient outcomes and advancing the understanding of cardiac arrhythmias. He is a member of the American College of Cardiology, American Heart Association, and Heart Rhythm Society. 

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  • Director, Adult Congenital Heart Disease Complex Ablation Program
  • Associate Director, Ventricular Tachycardia Ablation Program
  • Assistant Professor of Medicine

Departments / Divisions



  • MD; University of Patras School of Medicine (2008)


  • Internal Medicine; Boston Medical Center (2015)


  • Cardiovascular Disease; Johns Hopkins University School of Medicine (2019)
  • Cardiac Electrophysiology; Johns Hopkins University School of Medicine (2021)

Board Certifications

  • American Board of Internal Medicine (Cardiovascular Disease) (2018)
  • American Board of Internal Medicine (Clinical Cardiac Electrophysiology) (2021)
  • American Board of Internal Medicine (Internal Medicine) (2015)
  • National Board of Echocardiography (Echocardiography: National Board of Echocardiography) (2021)

Research & Publications

Clinical Trial Keywords

Imaging in arrhythmias, computational electrophysiology, complex arrhythmias mapping and ablation.

Selected Publications

View all on PubMed

Aronis KN, Berger RD, Calkins H, Chrispin J, Marine JE, Spragg DD, Tao S, Tandri H, Ashikaga H. Is human atrial fibrillation stochastic or deterministic? -Insights from missing ordinal patterns and causal entropy-complexity plane analysis. Chaos. 2018 Jun;28(6):063130

Aronis KN, Ali RL, Prakosa A, Ashikaga H, Berger RD, Hakim JB, Liang J, Tandri H, Teng F, Chrispin J, Trayanova NA. Accurate Conduction Velocity Maps and Their Association With Scar Distribution on Magnetic Resonance Imaging in Patients With Postinfarction Ventricular Tachycardias. Circ Arrhythm Electrophysiol. 2020 Apr;13(4):e007792

Aronis KN, Prakosa A, Bergamaschi T, Berger RD, Boyle PM, Chrispin J, Ju S, Marine JE, Sinha S, Tandri H, Ashikaga H, Trayanova NA. Characterization of the Electrophysiologic Remodeling of Patients With Ischemic Cardiomyopathy by Clinical Measurements and Computer Simulations Coupled With Machine Learning. Front Physiol. 2021 Jul 14;12:684149

Aronis KN, Okada DR, Xie E, Daimee UA, Prakosa A, Gilotra NA, Wu KC, Trayanova N, Chrispin J. Spatial Dispersion Analysis of LGE-CMR for Prediction of Ventricular Arrhythmias in Patients with Cardiac Sarcoidosis. Pacing Clin Electrophysiol. 2021 Dec;44(12):2067-2074

Aronis KN, Yang E, Barnes BT, Cedars A, De La Uz CM, Barth AS. Left bundle pacing in a patient with atrioventricular canal defect presenting with atrial standstill and junctional bradycardia. Heart Rhythm Case Reports. Volume 9, Issue, P314-318, May 2023

Contact for Research Inquiries

Johns Hopkins Hospital
1800 Orleans Street
Zyed Tower
Baltimore, MD 21287 map

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Activities & Honors


  • The W. Leigh Thompson Excellence in Research: Clinical Research Fellow Award Finalist, The Johns Hopkins Department of Medicine/ Whiting School of Engineering, 2019
  • Travel Scholarship; Heart Rhythm Society 40th Annual Meeting, Heart Rhythm Society, 2019
  • 1st Prize; BIDMC - Harvard Medical School Residents/Fellows Clinical Research Day, BIDMC - Harvard Medical School, 2011


  • Heart Rhythm Society
  • American College of Cardiology
  • American Heart Association
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