Electrophysiological Testing Of Bradycardias
Extra abnormal electrical pathways found in certain congenital heart defects can also cause arrhythmias. During EPS, doctors insert a thin tube called a catheter into a blood vessel that leads to your heart. A specialized electrode catheter designed for EP studies lets them send electrical signals to your heart and record its electrical activity. During an EPS, about 3 to 5 electrically sensitive catheters are placed inside the heart to record electrical activity.
At a hospital or clinic, doctors and nurses do EPS in a room that has special equipment for the tests. You may hear this room called the electrophysiology laboratory, or EP lab. Some call it the catheterization laboratory cath lab. During the test:. If the type and location of the arrhythmia is identified and an appropriate therapy decided, cardiac ablation or insertion of a pacemaker or ICD may be performed during or immediately after the EPS.
It was more like hiking up and down hills really fast. During this time:. Follow the instructions your nurse or doctor gave you, including taking any new medicines that were prescribed. Most people can start eating food and taking their medicines within 4 to 6 hours after the test.
Most can do their usual daily activities the day after the test.
The puncture site may be sore for several days. A small bruise at the puncture site is normal. If the site starts to bleed, lie flat and press firmly on top of it. Have someone call the doctor or EP lab. Most of the time, doctors will ask you to make an appointment to discuss the results of your test. Quick facts Electrophysiology studies test the electrical activity of your heart to find where an arrhythmia abnormal heartbeat is coming from.
These studies take place in a special room called an electrophysiology EP lab or catheterization cath lab while you are mildly sedated. Why do people have electrophysiology studies? Doctors use EPS to see: Where an arrhythmia is coming from.
If they should treat a problem by destroying the place inside your heart that is causing the abnormal electrical signal. This procedure is called catheter ablation. What are the risks of EPS? Risks may include: Arrhythmia. During EPS you may have abnormal heart rhythms that make you dizzy. If this happens, your doctor may give your heart an electric shock to bring back a regular heartbeat.
Blood clots sometimes can form at the tip of the catheter, break off and block a blood vessel. Your doctor may give you medicine to prevent blood clots. Infection, bleeding and bruising at the site where the catheter went in groin, arm or neck. Your doctor or nurse will help you avoid these problems.
Full Field Electroretinography (ERG)
How do I prepare for EPS? Tell your doctor about any medicines you take, including over-the-counter medicines, herbs and vitamins.
He or she may ask you not to take them before EPS. Have someone drive you to your appointment and take you home. If you usually wear a hearing aid, wear it during your procedure. Your doctor will ask you to sign a consent form to agree to the procedure. This is given through a cannula in your arm. During the procedure:. The EPS test takes between 1 and 4 hours. After your EPS is finished, your doctor will remove the catheters and apply pressure, followed by a dressing.
Most people can return to their normal activities over the next few days.
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Contact Us. Electrophysiology Study - "EPS" An electrophysiology study, or EPS, identifies irregular heartbeats and looks at how well your heart's electrical system works. While serious risks are unlikely, there are some risks associated with an EPS procedure. The most common risk for this procedure is bruising or swelling at the puncture site in the leg.