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Electrocardiogram (ECG) to measure electrical activity of your heart

An electrocardiogram or ECG measures the electrical activity of your heart.

Senior-man-on-a-treadmill-doing-a-stress-test-at-hospital

What is an ECG?

An electrocardiogram or ECG measures the electrical activity of your heart. Analysis of the results can indicate any damage to the heart muscle. An ECG can be used to assess if you have had a heart attack or evidence of a previous heart attack. The test may also be used to detect:

  • Arrhythmias
  • Coronary heart disease
  • Heart attacks
  • Cardiomyopathy 

There are three types of ECG, recommended according to the symptoms you are displaying:

  • Resting ECG, when you are just lying down in a comfortable position
  • Stress or exercise ECG, taken whilst using a treadmill or exercise bike
  • Ambulatory ECG,  where you are required to carry a small device throughout the day and monitor the heart 

What happens during an ECG?

Electrodes are placed on your wrists, ankles and chest as you relax. The electrodes are connected to a machine recording all the electrical signals from your heart. An ECG is a completely painless test and takes less than a minute to perform once the leads are in position. After the test, the electrodes are removed.

After the test, your doctor will review the readings of the ECG machine which appear as a series of waves.

How safe is it?

The electrocardiogram is a safe, simple and painless test that takes less than a minute to carry out. There will be no electricity put through your body. You may experience a slight discomfort once the electrodes are being removed, just like removing a plaster.

How can I book an ECG?

An ECG is something that will be recommended by your Consultant, at which point our team will arrange an appointment for you. 
 
If you think you may need an ECG test and you aren’t speaking to one of our Consultants yet, book an initial consultation using our online booking portal. If you need an ECG test, they will arrange it for you. 

Specialists offering Electrocardiogram (ECG) to measure electrical activity of your heart

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Dr Scot Garg

Consultant Cardiologist

MBChB, MRCP, FRCP, PhD (Hons), FESC

The Alexandra Hospital 1 more The Beardwood Hospital

View profile Book online

Dr Rajesh Gabani

Consultant Paediatrician

MBBS, MD (Paediatrics), PGCWbMedEd, FRCPCH

The Blackheath Hospital

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Dr Richard Andrews

Consultant Cardiologist

MB BS, DM, FRCP

The Lincoln Hospital 1 more The Park Hospital

View profile Book online

Dr Sushen Bhattacharyya

Consultant Physician & Geriatrician

MBBS (Gold Medal), DTM&H (Gold Medal), FRCP

The Clementine Churchill Hospital

View profile Book online

Dr Ravi Kamdar

Consultant Cardiologist

BSc (Hons), MBBS (Hons), MRCP (UK), CCDS

Shirley Oaks Hospital

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Dr Aamir Ayub

Consultant Cardiologist

MBBS, Dip card (London), MD, FESC, FRCP (Lon)

The Alexandra Hospital

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