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Ronald David Berger, M.D., Ph.D.

Headshot of Ronald David Berger
  • Director, Clinical Cardiac Electrophysiology Fellowship Program
  • Professor of Medicine


Ablation, Arrhythmia, Atrial Fibrillation, Atrial Flutter, Atrial Tachycardia, Biventricular Pacing, Bradycardia, Cardiac Electrophysiology, Cardiovascular Disease, Catheter Ablation Therapy, Device Therapy, Electrophysiology, Epicardial Catheter Ablation, Heart Disease, Implantable Cardioverter-Defibrillator Therapy, Irregular Heartbeat, Pacemakers, Palpitations, Paroxysmal Supraventricular Tachycardia, Radiofrequency Ablation for Atrial Fibrillation, Supraventricular Tachycardia, Syncope, Tachycardias, Ventricular Tachycardia, Wolff-Parkinson-White (WPW) Syndrome more

Research Interests

Arrhythmia device development, Arrhythmia mechanisms more

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Johns Hopkins Outpatient Center

Appointment Phone: 443-997-0270
601 N. Caroline St.
Baltimore, MD 21287 map
Phone: 410-614-2751 | Fax: 410-800-4073


BS: Massachusetts Institute of Technology 1981 Electrical Engineering
MS: Massachusetts Institute of Technology 1983 Electrical Engineering
PhD: Massachusetts Institute of Technology 1987 Electrical Engineering
MD: Harvard 1987 Medicine

Professional Appointments:
1987-1988 Intern in Medicine, Brigham and Women's Hospital
1988-1990 Resident in Medicine, Brigham and Women's Hospital
1988-1990 Research Scientist, Harvard M.I.T. Division of H.S.T.
1990-1993 Fellow in Cardiology, Johns Hopkins University
1993-1998 Assistant Professor of Medicine, Johns Hopkins University
1996- Co-Director of Cardiac Electrophysiology, Johns Hopkins Hospital
1998-2005 Associate Professor of Medicine, Johns Hopkins University
2002-2005 Associate Professor of Biomedical Engineering, Johns Hopkins University
2005- Professor of Medicine, Johns Hopkins University
2005- Professor of Biomedical Engineering, Johns Hopkins University more


  • Director, Clinical Cardiac Electrophysiology Fellowship Program
  • Professor of Medicine
  • Professor of Biomedical Engineering

Departments / Divisions

Centers & Institutes



  • MD; Harvard Medical School (1987)


  • Brigham and Women's Hospital (1990)


  • Johns Hopkins University School of Medicine (1993)

Research & Publications

Clinical Trial Keywords

arrhythmia, atrial fibrillation, catheter ablation, defibrillation, ICD, cardiac resynchronization therapy

Selected Publications

Selected Publications (from over 140 peer-reviewed manuscripts):
Tereshchenko LG, Faddis MN, Fetics BJ, Zelik KE, Efimov IR, Berger RD. Transient local injury current in right ventricular electrogram after ICD shock predicts heart failure progression. JACC 54:822-828, 2009

Spragg DD, Dong J, Fetics BJ, Helm R, Marine JE, Cheng A, Henrikson CA, Kass DA, Berger RD. Optimal left ventricular endocardial pacing sites for cardiac resynchronization therapy in patients with ischemic cardiomyopathy. JACC 56:774–781, 2010

Tandri H, Weinberg SH, Chang KC, Zhu R, Trayanova NA, Tung L, Berger RD. Reversible cardiac conduction block and defibrillation with high-frequency electric field. Sci Transl Med. 3(102):102ra96, 2011

Tereshchenko LG, McCabe A, Han L, Sur S, Huang T, Marine JE, Cheng A, Spragg DD, Sinha S, Calkins H, Stein K, Tomaselli GF, Berger RD. Intracardiac J-point elevation before the onset of polymorphic ventricular tachycardia and ventricular fibrillation in patients with an implantable cardioverter-defibrillator. Heart Rhythm 9:1594-1602, 2012

Hunter DW, Tandri H, Halperin H, Tung L, Berger RD. Tetanizing Pre-Pulse: A Novel Strategy to Mitigate ICD Shock-Related Pain. Heart Rhythm 13:1142-1148, 2016

Activities & Honors


  • National Merit Finalist, 1976
  • Elected to Eta Kappa Nu, M.I.T., 1979
  • Elected to Tau Beta Pi, M.I.T., 1980
  • Whitaker Health Sciences Fellow, 1986
  • Diplomate, American Board of Internal Medicine, 1990
  • Diplomate, Cardiovascular Medicine, 1993
  • Diplomate, Clinical Cardiac Electrophysiology, 1996
  • FIRST Award, NIH, 1996
  • Solo Cup Clinician Scientist Award, Johns Hopkins, 1996
  • Frank T. McClure Fellow, 2001
  • Established Investigator, AHA, 2002


  • American College of Cardiology
  • American Heart Association
  • Heart Rhythm Society
  • Institute of Electrical and Electronics Engineers

Professional Activities

  • Director of training, Clinical Cardiac Electrophysiology at Johns Hopkins

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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