John Seger, MD

Texas Heart Institute Positions

  • Teaching Staff, Cardiovascular Disease Fellowship
  • Teaching Staff, Clinical Cardiac Electrophysiology Fellowship


  • Cardiology
  • Echocardiology


  • Undergraduate:

    Southern Methodist University

  • Medical School:

    The University of Texas-Houston Medical School

  • Residency:

    Baylor College of Medicine

  • Fellowships:

    The Texas Heart Institute

Academic & Clinical Affiliations

  • Baylor St. Luke's Medical Center
  • Houston Electrophysiology Associates


Gao, F., Kherallah, R., Koetting, M. et al. (2023). Leadless pacemaker with transcatheter aortic valve implantation: A single-center experience. Pacing Clin Electrophysiol.
Kherallah, R. Y., Harrison, D., Lam, W. W. et al. (2020). Resolution of hypoxia and ascites with percutaneous intervention of Mustard baffle obstruction and leak. JACC Case Rep 2, 1079–1083.
Knight, B. P., Novak, P. G., Sangrigoli, R. et al. (2019). Long-Term Outcomes After Ablation for Paroxysmal Atrial Fibrillation Using the Second-Generation Cryoballoon: Final Results From STOP AF Post-Approval Study. JACC Clin Electrophysiol 5, 306–314.
Su, W., Orme, G. J., Hoyt, R. et al. (2018). Retrospective review of arctic front advance cryoballoon ablation: a multicenter examination of second-generation cryoballoon (RADICOOL trial). J Interv Card Electrophysiol 51, 199–204.
Reynolds, D., Duray, G. Z., Omar, R. et al. (2016). A leadless intracardiac transcatheter pacing system. N Engl J Med 374, 533–541.
Lam, W. W., Reyes, M. A. and Seger, J. J. (2015). Plasma exchange for urgent apixaban reversal in a case of hemorrhagic tamponade after pacemaker implantation. Tex Heart Inst J 42, 377–380.
Vasquez, A. F. and Seger, J. J. (2009). An uncommon case of heart failure. South Med J 102, 1183–1185.
Seger, J. J. (2005). Syncope evaluation and management. Tex Heart Inst J 32, 204–206
Zhang, S., Younis, G., Hariharan, R. et al. (2004). Lower loop reentry as a mechanism of clockwise right atrial flutter. Circulation 109, 1630–1635.