Event monitoring

Loop/Event monitoring is used to diagnose heart rhythm disturbances. A Loop is a small light device, which is connected to your chest with small round pads (electrodes) to get a recording of your heart activity when you experience symptoms during two weeks of wearing this device. The data will be transmitted to a computer and analyzed after you bring the device back.


The physician might order the Loop/Event monitoring of your heart if you have palpitations, dizziness, lightheadedness, skipped or extra beats, numbness in your hands, headaches, presyncope or syncope episodes, chronic chest discomfort. It might be ordered after a heart attack, infarction, cauterization, angioplasty and other cardiac procedures, if you feel symptoms of anxiety, panic attack, discomfort sleeping, etc.

Preparation for the procedure

No special preparation is required. Just make sure that you take a shower before you come to the clinic. Do not forget to bring your health card and a list of medications with you.


Our technologist will prepare your skin and apply the device and explain the procedure. While you are wearing the Loop/event Monitor, please continue with your normal daily activities and follow the instructions:

  1. You have to wear Loop/event monitor for 2 weeks mostly all day and night.
  2. Remove the device from your chest before you take a shower, bathe, visit a sauna or swimming pool, if you participate in any contact sport (football, hockey, boxing, etc.). Reattach device yourself after completed. Connect electrodes to the cables. The electrode with the white cable is placed on your right clavicle, the electrode with the red (black) cable is placed on your left side under the breast (please see picture). Every electrode can be used only once. You must use the new electrodes for re-hooking.
  3. Change the batteries after 1 week
  4. You have to record any abnormalities/symptoms you feel (such as chest pain or discomfort, pain or pressure in your left arm or upper back, dizziness, light-headedness, shortness of breath, palpitation, skipping or extra beats of your heart, etc.) Press the RECORD button and hold it until the audible sound is heard. Then release the button.
  5. If during the day you do not feel any symptoms, you have to make at least one recording before you go to sleep.
  6. Note the events in the diary sheet.


Please bring the device back to the clinic with the diary sheet after two weeks.

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Your heart will thank you!