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Avi Fischer, MD Email Avi Fischer

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Dr. Fischer serves The Mount Sinai Medical Center as the Director of Pacemaker and Defibrillator Therapy within the Electrophysiology section of the Zena and Michael A. Wiener Cardiovascular Institute and the Marie-Josee and Henry R. Kravis Center for Cardiovascular Health. He is an Assistant Professor of Medicine at the Mount Sinai School of Medicine.

Dr. Fischer trained in Cardiology at Mt. Sinai Medical Center and then went to The Brigham and Women's Hospital in Boston, for advanced training in Cardiac Electrophysiology. He has extensive experience implanting and caring for patients with devices.  While in Boston, he trained with one of the leaders in the field of laser lead extraction for removal of chronic pacemaker and defibrillator leads. His expertise in the laser extraction of chronic pacing and defibrillating leads is unique and he has brought this technology to Mount Sinai Heart.  Dr. Fischer has one of the largest experiences in lead extraction in the tristate area. He has published and lectured nationally about topics related to lead extraction.

Dr. Fischer has a keen interest in implantable device therapy and performs a variety of implants, including pacemakers, defibrillators and bi-ventricular devices and has a particular interest in cardiac resynchronization therapy for patients with advanced congestive heart failure. In addition to his interest in device therapy, he performs ablations for patients with a variety of arrhythmias. Dr. Fischer is skilled in catheter ablation of complex supraventricular arrhythmias, including atrial fibrillation, as well as ventricular tachyarrhythmias.

Dr. Fischer is Board Certified in Internal Medicine, Cardiovascular Diseases and Cardiac Electrophysiology, is a fellow of the American College of Cardiology and the Heart Rhythm Society.

Clinical Focus

  • Cardiac Catheter Cryoablation
  • Electrophysiology Study
  • Pacemaker Insertion
  • Radiofrequency Ablation
  • Wolff-Parkinson-White Syndrom