Electrophysiology Study (EPS)

Electrophysiology study (EPS) is an invasive procedure to evaluate why your heart is not beating in a normal pattern. This procedure is usually performed in Electrophysiology study lab in the hospital.

This study can help your doctor find out where the abnormal heartbeat is coming from and determine which treatment is the best for you. The treatments may include cardiac ablation, pacemaker or Implantable Cardioverter Defibrillator (ICD).

Cardiac Ablation:

Cardiac ablation is an invasive procedure which corrects heart rhythm problems, such as atrial fib or supraventricular tachycardia by destroying the tissue in your heart that caused the abnormal heart rhythm.


A pacemaker is a small device that is usually placed in the chest to prevent abnormal arrhythmia by keeping the heart beating at a normal rate. Implantable Cardioverter Defibrillator (ICD) is a small device that is usually placed in the chest to prevent sudden death from dangerous arrhythmias (cardiac arrest) such as ventricular fibrillation or tachycardia. People with a history of cardiac arrest, certain arrhythmia or weak heart (heart failure) are offered this device.

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