About Dr Sunthar Kanaganayagam

Consultant Cardiologist

Heart Health

Sub-specialties: Cardiology, Hypertension, Breathlessness, Cardiac CT, heart-health.

Dr Sunthar Kanaganayagam is a consultant cardiologist at OneWelbeck Heart Health, specialising in heart failure and cardiac imaging.

Consultant Profile Image

Bookings: bookings.hearthealth@onewelbeck.com

Tel: 02036532005

Areas of Expertise

Dr Kanaganayagam performs a range of treatments, including:

Some of the conditions he commonly treats are:

About Dr Sunthar Kanaganayagam

Dr Kanaganayagam is a consultant cardiologist here at OneWelbeck Heart Health. He is also an honorary senior lecturer in cardiology for the Trust and Chelsea and Westminster NHS Trusts.

Dr Kanaganayagam works as the lead for cardiology imaging at Chelsea and Westminster Hospitals. His expertise include transoesophageal echocardiography and cardiac MRI, CT coronary angiography, and stress echocardiography. Dr Kanaganayagam has been the lead for a community heart failure service at the Trust and continues to manage patients with both reduced and preserved systolic function (HFREF and HFPEF).

As well as seeing patients with cardiac conditions for the Trust, Dr Kanaganayagam sits in multi-disciplinary meetings discussing complex management of common and rare diseases. He also has a senior management role for the Trust and sits on the executive management board, as the divisional director for clinical governance across surgery, cancer and cardiovascular medicine.

He continues to participate in original cardiovascular research and has written review articles and lectured on cardiac CT, echocardiography and cardiac MRI. His areas of interest include: valve disease; chest pain, heart failure, leg swelling, dizziness, breathlessness, arrhythmia, palpitations, risk assessment, transthoracic echocardiography, transoesophageal echocardiography, cardiac MRI, coronary CT, stress echocardiography and coronary angiography.


Additional Information


  • British Society of Echo
  • European Society of Cardiology
  • British Society of Cardiovascular Imagine
  • British Cardiac Society
  • British Heart Valve Society

Research Highlights

He has participated in original research, written review articles and has written book chapters in cardiac CT, echocardiography and cardiac MRI and is doing ongoing research in cardiac MRI, cardiomyopathy and valve disease.

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Jul 2024


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Dr Sunthar Kanaganayagam is a consultant cardiologist at OneWelbeck Heart Health, specialising in heart failure and cardiac imaging.