Internal Loop Recorder Insertion / Removal Service

This is a device which allows irregular or unusual heart rhythms to be recorded. The Loop Recorder, also known as Patient Activated Cardiac Event Recorder, is a small device implanted under the skin, normally in the left shoulder/chest area, under local anaesthetic. Afterwards, the patient is given a hand held telemetry unit that he or she activates whenever symptoms are felt. This enables ECG (heart rhythm) recording and storage. The device can stay in place for up to 14 months and will also be removed in the Cath Lab, also under local anaesthetic. The Loop Recorder provides the Cardiologist with information to determine the correct course of treatment.



If you are coming in for the procedure you may be given the option of having intravenous sedation. Teh sedation is given through a canula (small plastic tube) placed in the vein. You will feel sleepy and relaxed following the sedation but you will not be unconscious (this is not a general anaesthetic). If you have sedation:

  • You must have someone to accompany you home and remain with you for 12 hours
  • You must not drive or operate machinery for 24 hours
  • You must not consume alcohol for 24 hours
  • You should not make any vital decisions or sign any legal documents for 24 hours
  • You should not take any medication not prescribed or acknowledged by your doctor



Loop recorder insertion is a relatively safe procedure and serious complications are rare. The risk depends on your overall health and your individual heart condition – your doctor will not recommend the test if they don’t feel the benefits outweigh the small risk.

  • Blood clots
  • Surgical site infection (redness or discharge from wound)
  • Bleeding from site
  • Hematoma (swelling at the site)



  • Severe pain
  • Shortness of breath
  • Inflammation of redness at surgical site
  • Discharge from wound

Available at the following locations:

  • Dublin

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