Holter Monitor

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Heart & Vascular Centre, Mater Private Network, 72 Eccles Street, Dublin 7, D07 RD8P 1800 20 05 50 Outside ROI +353 (0)51 595 124 heartcentre@materprivate.ie

Please note a referral letter is required before an appointment can be confirmed.

Heart and Vascular Centre, 2nd Floor, Citygate, Mahon, Cork, T12 K199 021 601 3258 corkcardiology@materprivate.ie

Please note a referral letter is required before an appointment can be confirmed.

Mater Private Network, Newenham House, Northern Cross, Malahide Rd., Dublin 17, D17 AY61 1800 12 48 16 Outside ROI +353 (0)51 595 119 dayhospital@materprivate.ie

Please note a referral letter is required before an appointment can be confirmed.

Mater Private Network, Cherrywood Business Park, Building 11, Loughlinstown, Co. Dublin, D18 DH50 1800 12 48 16 Outside ROI +353 (0)51 595 119 dayhospital@materprivate.ie

Please note a referral letter is required before an appointment can be confirmed.

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Further Information

About this service

A holter monitor is a small, portable device that continuously monitors your heart's rhythm for 24 hours or more. The results will be reviewed for any sign of irregular activity. 

A holter monitor is usually recommended if traditional tests, such as an electrocardiogram, are insufficient in providing your consultant with enough information regarding the electrical activity or rhythm of your heart.  

The procedure 

A holter monitor will take 15 minutes to attach. This will take place in the cardiology department.

A number of small round pads with electrodes are placed on your chest with the leads attached to a small recorder. These will record your heart rhythm. You can hide the electrodes and wires under your clothes and you can wear the recording device on your belt or attached to a strap. Once the monitoring begins, don't take the holter monitor off - you must wear it at all times, even while you sleep. 

You will also be asked to keep a diary to record your daily activities while you are wearing the monitor. This helps your consultant to identify if there are particular activities which trigger changes in your heart rhythm or symptoms such as chest pain, shortness of breath or skipped heartbeats. 

Following the procedure

You will return the next day to have your monitor removed. 

Your consultant will compare the notes you have written in your diary along with results from the holter monitor recorder. 

If you did not have an irregular heart rhythm or unusual activity while wearing the monitor or if the results are inconclusive, it may be recommended that you try a wireless holter monitor for a longer period of time.