Holter Monitoring

Clinical Speciality

Holter monitoring is a 24-hour recording of your electrocardiogram taken during your normal daily activities. It is designed to detect intermittent abnormalities and associate your symptoms with possible changes in the electrocardiogram.

How is it done?

The connection is performed by a cardiorespiratory technician. Oils are removed from the chest using rubbing alcohol or ether. In men, it may be necessary to shave some chest hair. The electrodes are applied and connected using wires that lead to a recording device, which will be worn on a belt or over the shoulder in an appropriate carrying pouch. A diary is provided for you to complete.

During the 24-hour period, you should go about your normal activities, except for taking a bath, and follow the instructions given by the technician. After 24 hours, remove the equipment and go back to the clinic.


No preparation is required. You only need to wear loose clothing, preferably with buttons down the front. This will make it easier to fit the equipment and carry it around during the day.

How long does it take?

It takes approximately 10 to 15 minutes to fit the equipment.
The report is ready in about 7 business days.

Is there any risk involved?

This exam is completely safe with no risk involved. Some patients are sensitive to the adhesive on the electrodes, but serious allergic reactions are uncommon.


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