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Dr James Wong

Dr James Wong

MA (Cantab) MB BChir MRCP (Lon) PhD

Consultant in paediatric cardiology

Specialises in paediatric cardiology, congenital cardiac MRI and cardiac CT.


Dr Wong is a consultant in paediatric cardiology based at the Evelina London Children’s Hospital which forms part of Guy’s and St Thomas’ Hospital in London. He is recognised both nationally and internationally for his work in cardiac MRI.

He trained at Cambridge University and completed a PhD at Kings College London. His post-graduate training was in London and Japan. His thesis investigated novel ways of measuring cardiac function using MRI in patients with single ventricle physiology.

He is a founding member of the Lifelong Congenital Heart Disease Network Board which aims to improve care for those living with CHD.

He has excellent feedback from patients and colleagues.


  • Congenital heart disease.
  • Chest pain.
  • Heart problems.
  • Exercise intolerance.
  • Heart murmurs.
  • Faints, collapse, dizziness.
  • Palpitations.

Procedures/ treatments

  • Transthoracic echocardiography (Echo).
  • Transoesophageal echo (TOE).
  • ECG.
  • Cardiopulmonary exercise testing.
  • Holter (24 and 48 hour tape).
  • Tilt testing.
  • Cardiac MRI.

Special/ research interests

Dr Wong is able to provide care for the whole spectrum of congenital heart disease from newborns through to adolescents and young adults. He provides a comprehensive range of inpatient and outpatient care and additionally has areas of expertise in the application of cardiac MRI and cardiac CT to understanding heart disease in young people.

His research interests continue in this field and broadly relate to bringing new sequences into the clinical realm to help us better understand complex heart conditions. Recently he has published on cardiac outcomes and medium term outcomes in patients with PIMS-TS helping to lead and shape best practice for this new condition.

Dr Wong is the lead for education and training for paediatric cardiology at the Evelina. He is a member of the national training committee and contributes towards maintaining standards.

Membership of professional bodies

  • Member of the Royal College of Physicians MRCP.
  • Member of the Society of Cardiovascular Magnetic Resonance SCMR.
  • Board member of the Lifelong CHD Network.

Practice locations

Evelina London Children’s Hospital