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Cardiac Electrophysiology (EP) Studies

The Only Electrophysiology Services In Mercer County

Our brand new, state-of-the-art facility here at St. Francis Medical Center is the only lab in Mercer County to diagnose and treat conditions related to the heart's electrical system.

Diagnostic Tests

Tilt Table Test: used to evaluate and diagnose unexplained vasovagal syncope (fainting) or neuro-cardiogenic episodes.

EP Studies: performed to establish the site or origin of a tachycardia (fast heart rate) or a bradycardia (slow heart rate) and can also gather information about certain abnormal heart rhythms (arrythmias) that may require an insertion of a pacemaker or a implantable defribillator or catheter ablation.

EP With Ablation: non-surgical technique that destroys (ablates) parts of the abnormal electrical pathway that causes abnormal heart rhythm.

Pacemaker Insertion: implant in patients to regulate the heart's rhythm and prevent the heart from slowing down.

Defribillator Insertion: implant in patients to treat dangerously fast heart rates that occur in the lower chambers of the heart (ventricles).

Cardiac Resynchronization Therapy (CRT): implant in patients with heart failure, to pace the lower chambers of the heart to improve your heart's normal synchrony.


Dr. John Caplan and staff are working on Cardiac Resynchronization therapies.

Hours of Operation

7:00am to 4:00pm Monday through Friday

Contact Information

  John Caplan M.D., Medical Director
Board certified in Electrophysiology
(609) 584-1212
  Electrophysiology Lab (609) 599-5000
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