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Heart, front view
Heart, front view
Conduction system of the heart
Conduction system of the heart


Intracardiac electrophysiology study (EPS)

Alternative Names:

Electrophysiology study - intracardiac; EPS - intracardiac



What abnormal results mean:

The exact location and type of the arrhythmia may be determined so that specific therapy can be applied appropriately. The arrhythmia may originate from any area of the heart's electrical conduction system.

For example:

  • Sick sinus syndrome occurs when the SA node of the heart malfunctions.
  • Wolff-Parkinson-White syndrome happens if you have an extra electrical pathway leading to avoidance of the normal path through the AV node.
  • Ventricular fibrillation and ventricular tachycardia are 2 arrhythmias that occur if muscle cells in the ventricles inappropriately take over the electrical activity of the heart.



Review Date: 11/22/2004
Reviewed By: Fabian Arnaldo, M.D., Department of Cardiology, Henry Ford Hospital, Detroit, MI. Review provided by VeriMed Healthcare Network.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 2004 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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