An Event Recorder
An event recorder, also known as an event monitor or loop recorder, is a small, portable device that records the heart's electrical activity for a short period, typically up to 30 days. It is used to diagnose and monitor heart rhythm abnormalities that occur infrequently and are not captured by a standard electrocardiogram (ECG) or Holter monitor.
The event recorder is typically about the size of a pager. It has one or two electrodes attached to the person's chest. When the person experiences symptoms such as palpitations, dizziness, or fainting, they press a button on the recorder to capture the heart's electrical activity during the event. The device may also be programmed to detect and record abnormal heart rhythms automatically.
The data recorded by the event recorder can be downloaded and analyzed by a healthcare professional to diagnose and treat heart rhythm abnormalities. It can also be used to evaluate treatments' effectiveness and monitor the progression of heart conditions over time.
The event recorder is safe and non-invasive and does not require any special preparation or restrictions on activities. However, it may be uncomfortable for some people to wear for an extended time, and the electrodes may cause skin irritation.