The Electrophysiology Center at Hackensack University Medical Center was started by Dr. John Zimmerman, the Chief of the Electrophysiology Laboratory, in 1989. It is comprised of the Electrophysiology laboratory and Pacemaker Center.  The team of experienced electrophysiologists, nurses, and technicians are devoted to providing the highest quality, most advanced treatment for the management of complex heart rhythms.

In the Electrophysiology laboratory we perform over 2000 procedures per year.  These procedures include implantation of permanent pacemakers, implantable defibrillators, cardiac resynchronization devices, (see sections on ICDs, Pacemakers and CRT).  We also perform ablations of many types of abnormal atrial and ventricular arrhythmias, supraventricular tachycardias, and for atrial fibrillation.  We have an active lead extraction program for removal of pacemaker and defibrillator leads using the latest extraction techniques including the use of fiber optic laser sheaths.  

Our Team

John Zimmerman, MD

Glauco Radoslovich, MD

Taya Glotzer, MD

Gunjan Shukla, MD

Grant Simons, MD

David Feigenblum, MD

Dmitry Nemirovsky, MD

Sina Zaim, MD

Constantinos Costeas, MD

Scott Ruffo, MD

Asad Cheema, MD


The Pacemaker Center

The Pacemaker Center was created to follow and manage pacemakers after they are implanted.  It is managed by Dr. Glauco Radoslovich, the Chief of the Pacemaker Center.  The services provided by the Pacemaker Center include remote transtelephonic monitoring and clinic visits to ensure that each pacemaker is programmed optimally for each individual patient.  The staff of the Pacemaker Center are also a valuable resource for patients providing education and reassurance to patients and their family.

The Pacemaker Center is one busiest in the country with over 2220 patient visits per year and over 7300 remote transtelephonic monitoring procedures performed per year.




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