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Diagnosis

Electrocardiogram (EKG)

ECG/EKG Waves

Wolff-Parkinson-White (WPW) syndrome is recognized by certain changes on an electrocardiogram (EKG) test, which records on a graph your heart's electrical activity.

Delta Wave

The EKG will show that an extra pathway or shortcut exists from the atria to the ventricles. The abnormality shown is called a delta wave. If no episodes or rapid heart rate are occurring at the time of the test, the exam may be normal, however.

Electrophysiology (EP) Study


Help Pinpoint Location of Extra Pathway

Test to help pinpoint the location of the extra pathway. During an EP study, you are sedated and small catheters are guided to your heart. Your heart's rhythm is recorded as small amounts of electricity are delivered through the catheter.

Holter Monitor


Portable Device Worn to Record Heartbeats for 24 to 48 Hours

This is a portable device that records all of your heartbeats over an extended period, usually either 24 or 48 hours. You wear small patches with electrodes on your chest that are connected by wires to a small, portable recorder. The recorder can be clipped to a belt, kept in a pocket, or hung around your neck. During the time you're wearing a Holter monitor, you do your usual daily activities. You can press a button if you are experiencing symptoms, so your doctor will know what your heart rhythm was at the time of the symptoms.

Contact Information

Cardiovascular Medicine
Division of the CardioVascular Institute
Beth Israel Deaconess Medical Center
330 Brookline Avenue
Boston, MA 02215
617-667-8800

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