ECG Test London

Private ECG London Service available at our Cardiology Clinic, 9 Harley Street.

What is an ECG?

An electrocardiogram or ECG test (not to be confused with an echocardiogram) is a simple test that is used to check the rhythm and electrical activity of your heart. It is often used alongside other cardiac tests to help diagnose or monitor certain heart conditions.

During an ECG, you will have electrodes (small sticky sensors) placed on your chest, arms and legs, which are connected to a recording machine. This machine picks up electrical signals every time your heart beats. The results will then be analysed to see if there is anything unusual with your heart’s rhythm.

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Why does an ECG test for?

An ECG tests the rhythm and electrical signals of your heart and is used as a diagnostic test for a number of heart conditions including:

Heart attack

Heart attacks occur when an artery that sends blood to the heart becomes blocked.


Cardiomyopathy is a disease of the heart muscle that can lead to heart failure. Usually it involves the walls of the heart’s chambers becoming too thick or stretched.


Arrhythmia refers to a number of conditions whereby your heart beats too fast, too slowly, or irregularly. An ECG can help to diagnose this.

Coronary heart disease

Coronary heart disease occurs when blood vessels supplying the heart become too narrow or blocked. It tends to be caused by a build up of fatty substances in the blood vessels. It is a common disease, but very serious.

To reduce your risk of developing coronary heart disease, you can make certain lifestyle changes such as eating a healthier diet and being more active.

What types of ECG are there?

There are three different ways you may be recommended to have an ECG test, depending on your specific symptoms. These are:

  • Resting ECG – this is done lying down
  • Stress ECG – this takes place on an exercise bike or treadmill, and is used if your heart condition is suspected to be triggered by exercise
  • Ambulatory ECG (also known as a Holter Monitor) – this is a portable machine that you take home to measure any abnormal heart rhythms throughout the day
What types of ECG are there?

ECG Harley Street

Our private ECG testing service is part of our Cardiology Clinic at 9 Harley Street. We offer access to state of the art equipment and specialist radiologists with many years experience interpreting results and ensuring the most accurate diagnosis.

If anything is detected, you will be seamlessly referred to a cardiologist who can help develop a pathway for your treatment.

ECG Harley Street

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Book your ECG today

If you have been advised by your GP or consultant to book an ECG test, we can take care of you. To obtain a price or to book an appointment, phone our bookings team today on 0207 079 2102.

Alternatively, you can fill in the enquiry form below and one of the team will get back to you. Please select Cardiovascular as the type of scan, and specify more details about the scan you are enquiring about in the box provided.



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