What is it?

An electrocardiogram (ECG) is a simple, non-invasive test that detects heart abnormalities by measuring the electrical activity generated by the heart as it contracts. The machine that records the patient’s ECG is called an electrocardiograph. The electrocardiograph records the electrical activity of the heart muscle and displays this data as a trace on a screen or on paper. This data is then interpreted by a medical practitioner.

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Why do I need this test?

It may be used to investigate the following;

• Symptoms of myocardial ischaemia ie: chest pain, dyspnoea, diaphoresis.
• Suspected cardiac arrhythmias i.e. palpitations.
• Cardiovascular syncope (brief losses of consciousness).
• Investigation of hypertension.
• Cardiac murmurs or Seizures.

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What to expect

A technician will place electrodes on your chest, arms and legs whilst lying flat on the bed.  You may need to have a small amount of chest hair shaved off. The procedure will require you to remove the clothing from your upper body. A gown will be provided to you to change into if required.

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What are the risks?

This is a very safe non-invasive test.  Some patients may experience a minor skin irritation from the sticky electrodes but this is rare.

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