Intracardiac electrophysiology study (EPS)

Table of Contents

Alternative Names

Electrophysiology study - intracardiac; EPS - intracardiac


Normal Values


What abnormal results mean

Abnormal results may be related to slow or fast abnormal heart rhythms. Some examples are:

  • Sick sinus syndrome
  • Atrial fibrillation
  • Heart block
  • Wolff-Parkinson-White syndrome
  • Supraventricular tachycardia
  • Ventricular fibrillation and ventricular tachycardia

This list may not be all-inclusive.

The health care provider must determine the exact location and type of the arrhythmia so that specific treatment can be given. The arrhythmia may start from any area of the heart's electrical conduction system.



Review Date: 06/01/2010
Reviewed By: Issam Mikati, MD, Associate Professor of Medicine, Feinberg School of Medicine, Director, Northwestern Clinic Echocardiography Lab, Northwestern University, Chicago, IL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)