The catheters are guided through the sheaths up to the heart, often using moving X-ray images as a guide. The heart doctor inserts plastic tubes similar to large IVs (sheaths) into a blood vessel. A care provider shaves any hair from the site where these catheters will be inserted, usually in the groin, and then numbs the area. Duringĭuring an EP study, long, thin tubes (catheters) are placed in three or more heart areas. Sometimes general anesthesia is used, which means you'll be put in a sleep-like state. Monitors (electrodes) are placed on the chest to check the heartbeat during the test.īefore the procedure starts, you'll typically receive a sedative through the IV to relax you. An IV line is inserted in the hand or arm. What you can expect BeforeĪn EP study is done in the hospital. Your care provider will let you know if you need to follow any other special instructions before or after your EP study. If you take any medications, ask your health care provider if you should continue taking them before your test. How you prepareĭo not eat or drink anything after midnight on the day of an EP study. Talk to your health care provider about the benefits and risks of an EP study to understand if this procedure is right for you.
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