Electrophysiology

What is an Electrophysiology (EP) Study?

An electrophysiology (EP) study is an invasive diagnostic test to evaluate the electrial system of the heart. The EP study is usually an outpatient procedure and can last anywhere between one and three hours. The patient will be under the care of a highly skilled team including the electrophysiologist, nurses, technologists and equipment specialists.

The EP study helps determine the location of the heart's abnormal electrical activity. The location and type of rythm problem may confirm if a catheter radiofrequency (RF) ablation is an appropriate treatment option. RF ablation can take several hours to allow for the elctrical mapping needed for the identification of the area to be ablated.

What to Expect

An electrophysiologist inserts a special wire (catheter) through a blood vessel in your groin. This is then directed into the ehart and focused on the cells that cause irregular heart rhythm. Heat energy is then sent through the wire to destroy (ablate) the problem cells without harming the rest of the heart. RF ablation has a 98% success rate for many supra-ventricular arrythmias. This procedure is relatively low risk and can replace surgery in most instances. IV sedation is used during the procedure not general anesthesia. The patient is comfortable and sleepy. Most of the time patients are able to go home the same day, but occasionally some patients may have to stay overnight. Your stay will be in a private room where your family can remain during your recovery.