A Holter monitor sometimes known as a 24 hour tape is a continuous recording of your heart rhythm throughout 24 hours and it is equivalent of having an electrocardiogram (ECG) done throughout this period.

You will be able to wear this monitor during your regular daily activities, for that reason it will help the Cardiac Physiologist to correlate symptoms of dizziness, sensation of fast or irregular heart rhythm with any abnormality on your heart rhythm. Because the recording is for at least 24 hours, this exam is much more likely to detect an abnormal heart rhythm when compared to the ECG.

This exam can also assess your episodes of chest pain, as the holter monitor can pick up changes on your heart rhythm that could suggest reduced blood supply to the heart muscle.

To have this test done you will need to wear loose-fitting clothes. Your chest will be cleansed with an alcohol solution to ensure good attachment of the sticky ECG electrodes.The ECG electrodes are applied to the chest and thin wires connect the electrodes to the holter monitor.

The monitor will be secure to a belt around your waste and then you can leave the clinic. You will not be able to shower for the duration of the test. A diary will be provided so you can record your activity (walking the dog, upset at neighbour, etc.) and symptoms (skipped heartbeats, chest discomfort, dizziness, etc.) together with the time.

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