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Cardiac Health Services
Holter Monitoring
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What is Holter Monitoring?
- Holter monitoring is a continuous electrocardiogram (EKG) of the heart’s rate and rhythm, for 24 hours.
- Electrodes are applied to the chest area and are attached to a small recording device.
- During the 24 hours that the monitor is worn, the patient will keep a diary of activities and symptoms.
- It takes about 15 minutes to have the monitor put on.
- The patient must return the following day to have the monitor removed and return the diary.
- This test must be ordered by a doctor and be scheduled.
What Preparation is Needed?
- Do not apply ointment, lotion, or powder to the chest area.
- No restrictions on medications, eating, or drinking.
- Wear loose, comfortable clothing.
What to Expect After the Monitor is in Place.
- Once the monitor is in place do not touch or fiddle with the monitor or electrodes.
- Do not get x-rays while wearing the monitor.
- Do not get the electrodes or monitor wet. No showering.
- Do not use an electric blanket, water bed, or heating pad while wearing the monitor.
- In order for the doctor to make the clearest evaluation, the patient must use the diary to record activities and symptoms. The diary must be returned with the monitor the next day.
Registration
- Registration will occur in the Cardiac Health Services department. You will need to bring a picture I.D. (such as a driver’s license), insurance cards, and any paperwork from the doctor. You also need to bring a list of your medications with you.
- Plan to arrive 15 minutes before the test.
- Enter the hospital through the Outpatient Building.
- Take the elevators to Cardiac Health Services department, which is located on the second floor.
- If you have any questions call 245-8091 or 245-8199.

