Dr Jonathan Clague

Consultant cardiologist


Dr Jonathan Clague qualified in 1985 from St Mary’s Hospital Medical School (now part of Imperial College London). After working as a senior house officer (a junior doctor), he began his cardiology training at Barts and The London NHS Trust.

Dr Clague then spent two years at the University of California, Los Angeles (UCLA), where he undertook cellular pathology research.

On his return to the UK, he worked as a senior registrar at Royal Brompton Hospital and St George’s Hospital. In 1997, he was appointed as a consultant at Royal Brompton Hospital.

Clinical expertise

Dr Jonathan Clague is a consultant cardiologist with an interest in coronary intervention and electrophysiology.

He treats a range of cardiac problems, such as:

  • arrhythmia – including atrial fibrillation
  • angina
  • heart failure.

He is an expert in a number of procedures and treatments, including:

  • ablation of arrhythmias
  • coronary angioplasty and stent placement
  • cardiac rhythm management, including complex pacing
  • implantable cardioverter defibrillators (ICDs)
  • lead extraction and replacement – in both adults and children
  • cardiac resynchronisation therapy (CRT).


Dr Jonathan Clague has an academic interest in treating advanced cardiac failure with stem cell therapy – where a patient’s autologous bone marrow cells are injected in their own heart.


Royal Brompton Hospital

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