Dr Sunthar Kanaganayagam

Dr Sunthar Kanaganayagam

Consultant Cardiologist

Chest PainAtrial FibrillationHypertension

About Sunthar Kanaganayagam

Dr Kanaganayagam is a consultant cardiologist here at Welbeck 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.

Expertise

  • Chest Pain
  • Atrial Fibrillation
  • Hypertension
  • Palpitations/Collapse
  • Breathlessness
  • Leg Swelling
  • Valve Disease
  • Heart Failure
  • CT Coronary Angiography
  • Cardiac MRI
  • Echo and Transoesophageal Echo
  • Stress Echo
  • 3D Transoesophageal Echocardiography
  • and Cardiac Screening

Overview

Age of patients seen
18+
Languages spoken
English
Online profiles

Consultations and services

  • Self-pay available from £240
  • Health insurance
  • Self-pay available from £180
  • Health insurance

Insurers covered

  • Vitality Health
  • AXA Health
  • Aviva
  • BUPA Limited
  • WPA
  • +5 more

Locations

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London

1 Welbeck Street
Marylebone
London
W1G 0AR

More information

Frequently asked questions

Yes, but only for certain services. Some consultations, assessments, and treatments can be booked directly, while others require a GP or specialist referral. Please check the relevant service page for guidance, and contact the centre if you’re unsure.


We aim to offer appointments as quickly as possible, and many services have same-day or next-day availability. Waiting times vary depending on the appointment type, specialty, and consultant availability, but our team will always offer the earliest suitable appointment.


Yes. You can arrange an appointment for a family member, or someone you care for, just let us know when you get in touch. We’ll need their details and consent to complete the booking, unless you're their legal guardian or have power of attorney.  


Your first consultation includes a detailed discussion of your symptoms, medical history, and lifestyle factors, followed by a thorough examination. It’s helpful if you can bring the results of any previous investigations with you, as well as a list of your current medications. Come with a comfortably full bladder so you can provide a urine sample if requested.