Electrophysiology :

An electrophysiology (EP) study is a test performed to assess your heart's electrical system or activity and is used to diagnose abnormal heartbeats or arrhythmia.
The test is performed by inserting catheters and then wire electrodes, which measure electrical activity, through blood vessels that enter the heart.

When you arrive at the hospital, the final steps to prepare for the EP study are:

  •  For your comfort, empty your bladder as completely as possible. A bedpan or urinal will be available during the procedure. Depending on the length of your precedure, a catheter may be inserted to drain your bladder of urine during the procedure.

  •  A small intravenous (IV) needle will be inserted into a vein in your arm to administer drugs, if necessary.

The Procedure:

The EP study is performed in the electrophysiology laboratory of the hospital, where you'll be placed on an X-ray table. A camera and television screens , heart monitors and various instruments will be close by. Electrodes will be placed on your chest and back to connect you to monitoring equipment. A blood pressure cuff will be placed on your upper arm to monitor your blood pressure.
To prevent infection, a nurse will shave and cleanse the groin and possibly neck area where the catheters will be inserted. The area will be cleansed with an antiseptic. Sterile sheets will be draped over your body.
Find a comfortable position so you can remain still during the procedure. Please don't touch the sterile areas on your neck and groin.
Depending on the type of study you undergo, you may be given medications intraveniously, administered in your arm, to sedate you or make you sleepy. These medications help reduce your anxiety and relieve your discomfort. Your doctor will let you know if sedation medications are appropriate.
A local anesthetic will be administered with a tiny needle to numb the area where the catheters are inserted. You will feel a pinprick and possibly a stinging sensation for a few seconds.
One or more catheters, which are thin, long, flexible wires, will be inserted into a large vein in your groin or neck. The catheters will be guided to your heart. The positioning of catheters inside your heart will be monitored on a screen. You may feel pressure when the catheters are inserted. The incision site is less than a quarter of an inch.

There are two parts to the EP study:

  •  Recording the heart's electrical signals to assess the electrical function
  •  Pacing the heart to bring on certain abnormal rhythms for observation under controlled conditions

Medications are sometimes used to stimulate your arrhythmia. You may feel your heart racing or pounding. This may make you anxious, but you needn't be alarmed. The doctors want to induce the abnormal rhythm causing your problem, so they can treat the arrhythmia. If you have any uncomfortable symptoms — such as chest pain, dizziness, shortness of breath, nausea and pain — tell your nurse or doctor.

Your Role During the Study

Try to remain calm and relaxed. Don't move your arms or legs in the sterile working area. If you feel any discomfort, let your doctors or nurses know immediately, so they can help you get comfortable.
In the controlled environment of the EP laboratory, induced arrhythmias are handled by well-trained personnel with state-of-the-art equipment. This is an important tool that allows your doctor to gain information about your arrhythmia that will help prevent future occurrences.

After the Procedure:

Once the EP study is over:

  •  Catheters are removed and pressure applied to the groin and neck areas to prevent bleeding.
  •  You'll lie still in bed for four to six hours to allow the catheter sites to seal. Don't move or bend your leg.
  •  You will be checked frequently. If you feel sudden pain or see bleeding at the site, call the nurse immediately.
  •  Your doctor may share some of the preliminary findings after the test.
  •  If you feel well enough, you may be able to eat and drink.

Before leaving the hospital, your doctor or arrhythmia nurse coordinator will provide instructions regarding medications and follow-up care and any restrictions in your normal activities.

Returning Home:

After you're discharged from the hospital and return home, please follow these guidelines:

  •  Limit your activity for the first 24 hours. Don't strain or lift heavy objects more than 10 pounds for the first week.
  •  If traveling home takes several hours, stop every hour, stretch your legs and walk a few minutes to prevent formation of blood clots in your legs.
  •  If you notice new blood on the dressing, press firmly on the incision site for about 20 minutes. If bleeding continues, call your doctor or go to the nearest emergency room while still applying pressure.
  •  Leave the dressing on until the day after the study. Your nurse will show you how to remove it.

Don't worry if you see a bruise or small lump under the skin at the insertion site. It will disappear within three to four weeks.

When to Call Us

Call your doctor or arrhythmia nurse coordinator if:

  •  The site, where catheters were inserted, becomes painful or warm to the touch.
  •  You have chest pain, palpitations, shortness of breath or lightheadedness.

Coronary Angioplasty is a medical procedure used to restore the blood flow through a blocked artery. In this non-surgical procedure, a thin tube with a balloon is inserted to expand the site of blockage in the coronary artery. It is also referred to as PTCA (percutaneous transluminal coronary angioplasty).

Angioplasty is a non-surgical procedure devised to unclog the blocked arteries. This procedure is carried out in a cardiac catheterization laboratory. The stenting is a device used to open the clogged arteries to restore blood flow.

Angioplasty is a therapeutic procedure wherein the clogged portion of the artery is broadened to restore the blood flow. On the other hand, angiography is a medical examination done to detect the blocked areas in the coronary artery.

The procedure of angioplasty can be conducted for broadening blockage in several blood vessels of the body. If it is being done for coronary blood vessels, it is known as coronary angioplasty. The process of unclogging blockage in other blood vessels is known as carotid artery.

A patient is asked to drink lots of water to help flush away the iodine contrast dye from the body system. On the site of insertion, a sandbag or pressure bandage is placed to prevent the bleeding. You’ll be asked to take rest for next few hours.

The doctor will talk to you about the amount of blockage eliminated from the artery and the possibility for the return of symptoms, necessary medications and changes to be implemented in the daily schedule.

Angioplasty does not take much time. It takes 1 hour at the most, however, the patient needs another 12 to 16 hours for recovery. The patient usually stays for a night in the hospital and goes home the following day.

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