| A Holter monitor is a continuous 24hr recording of the hearts rhythm. Since it can be worn during your regular daily activities, it helps the Doctor link symptoms of dizziness, palpitations (a sensation of fast or irregular heart rhythm) or black outs. The test takes 10 - 15 minutes.
How is the Test Performed?
The chest is cleansed with an alcohol solution to ensure good attachment of the ECG electrodes. Men with hairy chests may require small areas to be shaved. Thin wires are then used to connect the electrodes to a small heart tracing recorder. The recorder is worn for 24 hours and you are encouraged to continue your daily activities. A diary or log is provided so that you can record activity and/or symptoms. After 24 hours, the Holter monitor needs to be returned to the Cardiology Department and is removed by the cardiac technician.
To avoid getting the device wet and damaging the recorder, you should not shower for the duration of the test. Also avoid using an electric blanket.
How do I prepare for the Test?
It is important to wear loose-fitting clothes. Buttons down the front of a shirt or blouse is preferable. This makes it easy to apply the ECG electrodes, and also comfortably carry the monitor in a relatively discreet manner.
Do not apply lotions, oils or powder to the chest area.
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