Expert London Cardiologist for your Heart Health

Cardiac Investigations

If you think you need investigations for your heart, contact us

Tests for your heart

Choosing the right tests for you can make all the difference.  Each test has its own merits and they are complementary to each other.

To fully understand your health, Dr Nijjer may need to organise one or more tests.  Dr Nijjer will take the time to explain what these tests are, what they will involve and how they will help get to the bottom of your problem.


An electrocardiogram (ECG) is a tracing of the heart to look for irregular heart beats, angina and heart attacks.

Exercise Tolerance Test

An exercise tolerance test (ETT) involves continuous ECG reading while you run on a treadmill. Its an excellent test of exercise capacity and can reveal changes consistent with angina.


A resting echocardiogram is an an ultrasound test of the heart. We can see the structure and the function of the heart, whilst also assessing the heart valves.

Holter Monitoring

In this test, you where an ECG monitor underneath your clothes whilst continuing with your normal activity. It helps find arrhythmia and diagnose palpitations.

CT Coronary Angiography

CT Coronary Angiography is a non-invasive way of assessing the heart arteries. It can help identify calcification and coronary blockages that may warrant an invasive investigation. 

Cardiac MRI

Cardiac MRI is a sophisticated test to look at the structure and the function of the heart. It looks in detail at the heart muscle and can identify areas of scarring or weakness.

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Dobutamine stress echocardiography (DSE) is a type of stress test used to help investigate pains in the chest or to look for ‘cardiac ischaemia’.  This is when the heart suffers from an insufficient blood supply.

Stress Perfusion MRI

A stress perfusion MRI test is a specialist test that looks for scaring in the heart and evidence of an insufficient blood supply to the heart.  When there are narrowings of the heart arteries, it can be detected by looking for changes on a stress perfusion MRI.

Coronary angiography

A coronary angiogram is an invasive procedure which gives us the clearest and most direct look at the coronary arteries.  These are the arteries that nourish the heart muscle and when they become narrowed from atherosclerosis, it leads to a central tightness across the chest called angina.

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Coronary Angioplasty

Coronary Angioplasty is the treatment of coronary blockages by balloon dilatation followed by insertion of a drug-eluting stent.  This treatment can improve the blood flow in heart arteries and improve symptoms. In patients having heart attacks, it is life-saving.

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Contact Us

Please send us your details and we will contact you. Dr Nijjer will strive to help you. 

Dr Sukhjinder Nijjer Consultant Cardiologist

One Heart Clinic
27 Harley Street
London, W1G 9QP

0203 9838 001

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Dr Nijjer remains available despite the Covid-19 Pandemic

Dr Nijjer offers Video & Telephone Consultations to make it easier to protect yourself during the Covid-19 Pandemic. Email Now to set-up an Appointment.