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Electrocardiogram (ECG)

An electrocardiogram (ECG) is a test which measures the electrical activity of your heart. It is a simple and painless test. The ECG records the electrical impulses which prompt your heart to contract, producing your heart rhythm. Results are shown in the form of a graph.

The test

You will be asked to remove your clothes from the waist up. After that, small electrode patches will be attached to your chest, forearm and lower leg. The ECG records these impulses and converts them into images of your heart activity within a few seconds. It is important to try to relax, lie still and not talk while the ECG is being performed. It will take about 30 seconds. When the test is over, the patches will be removed and you can get dressed again.

Duration of the test

It takes about five minutes to produce an ECG.