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Electrophysiology (EP)

An Electrophysiology study, or EP study, evaluates the electrical system of the heart. The electrical system is a network through which impulses pass that direct the heart's rate and rhythm.

 
 
When It Is Used

EP studies are used to study irregular or abnormal heart rhythms that may be life-threatening.

 
Safety

EP studies are very safe, however, there is an extremely small chance of complications. Discuss your potential risks thoroughly with your physician.

 
What to Expect

An EP study usually takes two to four hours to perform. During the procedure, an IV will be placed in your arm and you will be sedated. A special catheter will be inserted, usually through an incision in the groin area. X-rays guide the cardiologist who maneuvers the catheter up into the heart.

Once the catheter is in the heart, the doctor will stimulate the heart with small electrical signals to make it beat at various rates. You will feel your heart occasionally beating faster, skipping beats, or pounding in your chest. These are normal feelings during the study.

If irregular rhythms occur, different medications will be given to determine which best corrects the irregularity and converts the heart back to a normal rhythm. On rare occasions, a tiny electrical shock may need to be delivered to the heart to convert an irregular rhythm back to normal.

Rapid results are essential not only for your peace-of-mind, but also for your physician to begin planning any necessary treatment. Experienced radiologists will read the scans and forward the results to your physician usually by the next business day.

 
To Schedule an Appointment

Call (605) 719-7100

 
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