HealthSheets™


Having Loop Recorder Implantation

An implantable loop recorder (ILR) is a device that records information about how your heart is working. During implantation, a small device is placed under the skin on your chest, a few inches below your collarbone. The device works as an electrocardiogram (ECG). It constantly picks up electrical signals from your heart. An ILR records for up to 3 years.

What to tell your healthcare provider

Tell your healthcare provider about all the medicines you take. This includes over-the-counter medicines like ibuprofen. It also includes vitamins, herbs, and other supplements. Tell your healthcare provider if you:

  • Have had any recent changes in your health, such as an infection or fever

  • Are sensitive or allergic to any medicines, latex, tape, or anesthesia (local and general)

  • Are pregnant or think you may be pregnant

Tests before your procedure

Before your surgery, you may need an ECG. During this test, sticky pads called electrodes will be put on your chest. Wires will be attached to the pads. These wires lead to a machine. The machine measures your heart’s electrical activity for a short period of time.

Getting ready for a loop recorder implantation

Talk with your healthcare provider about how to get ready for your procedure. You may need to stop taking some medicines before the procedure, such as blood thinners and aspirin.

Also, make sure to:

  • Ask a family member or friend to take you home from the hospital. You cannot drive yourself.

  • Don’t eat or drink after midnight the night before your surgery, unless your doctor says it’s OK.

  • Follow all other instructions from your healthcare provider.

You will be asked to sign a consent form that gives your permission to do the procedure. Read the form carefully. Ask questions if something is not clear.

During your procedure

Ask your healthcare provider about what to expect during your procedure. A typical procedure goes like this:

  • You may be given medicine to help you relax.

  • The doctor will put a local anesthesia medicine on your skin to numb it.

  • The doctor will make a small cut (incision) in your skin. This is usually done in the left upper chest, a few inches below your collarbone.

  • The doctor will make a small pocket under your skin. He or she will place the loop recorder in this pocket. The machine is about the size of a flat AA battery.

  • The doctor will close your incision with stitches (sutures). He or she will put a bandage on the area.

After your procedure

You will be shown how to use the activator, if you need one.

You will likely be able to go home the day of the procedure. You will need someone drive you home. You can take pain medicine if you need it. Talk with your healthcare provider about what’s best to take.

Rest for a day or two at home. You can go back to your normal activities as soon as you feel able.

Follow-up care

Tell your cardiologist if another healthcare provider wants you to get an MRI test. An MRI may cause your ILR to display a false reading.

You may keep your loop recorder for up to 2 to 3 years. When you no longer need it, you will need to have it removed in a similar procedure.

When to call your healthcare provider

Call your healthcare provider right away if any of these occur:

  • Bleeding or swelling at the insertion site

  • Redness, swelling, fluid leaking, or warmth at the incision site

  • Fever of 100.4°F (38°C) or higher

  • Pain around your loop recorder

  • Dizziness

  • Chest pain

  • Lack of energy

  • Fainting spells

  • Twitching chest muscles

  • Rapid pulse or pounding heartbeat

  • Shortness of breath

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