Signal Averaged Electrocardiogram (SA ECG)

Signal Averaged Electrocardiogram (SA ECG) - Symptoms

Signal Averaged Electrocardiogram (SA ECG) - How to prevent?

Signal Averaged Electrocardiogram (SA ECG) - Causes and Risk Factors

Signal Averaged Electrocardiogram (SA ECG) - Diagnosis

Signal Averaged Electrocardiogram (SA ECG) - Treatments

Signal Averaged Electrocardiogram (SA ECG) - Preparing for surgery

Signal Averaged Electrocardiogram (SA ECG) - Post-surgery care

Signal Averaged Electrocardiogram (SA ECG) - Other Information

Is the test safe?

There is no risk involved.

Preparations before test

You will be able to take your regular diet and medication. For male patients, you may be required to shave excessive hair on your chest.

How is the test done?

You will lie on a bed while the test is being performed. It is important that you lie as still as possible, breathe normally and do not talk during the procedure as the computer is very sensitive to movements, coughing and turning.

The medical technologist (MT) will place the electrodes on your chest and back to acquire the ECG. A special ECG machine will amplify and average the ECG signals until almost all noise is eliminated. Approximately 500 beats of the patient’s heart rate will be analysed by the computer and the doctor will then interpret the results

Abnormal Heart Rhythm/Arrhythmia,

Sudden Cardiac Death

Article contributed by Department of Cardiology, National Heart Centre Singapore

The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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