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Dr Boon Lim - Consultant Cardiologist

Best Cardiologist in London
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Doctor  Adult Cardiology, Cardiology, Paediatric Cardiac Surgery



Dr Boon Lim was Voted Top Doctor in Cardiology 2017 by his peers and awarded certificate of excellence for care provision by patients in 2018, Dr. Lim is an experienced leading London Cardiologist with a passion and specialist interest in syncope and arrhythmia.

Dr Boon Lim is an experienced Consultant Cardiologist and Electrophysiologist. He is the clinical lead for the nationally-renowned Imperial Syncope Diagnostic Service based at Hammersmith Hospital London. He has experience in reporting and reviewing over 5000 tilt table tests, and has one of the largest volume practices in London and the UK for patients with syncope based the the Imperial Syncope Diagnostic Unit, with the team reviewing over 1000 patients each year, often with difficult-to-treat syncopel symptoms.

He has many years of experience as a cardiac electrophysiologist, working in a heavy-volume centre of excellence in Electrophysiology, and has performed over 1200 electrophysiology and ablation procedures, and further supervised and taught

Dr. Boon Lim - Best Cardiologist in London UK

his registrars on over 1700 procedures, making him one of the most experienced cardiologists in electrophysiology and ablation in the UK. He is invited to speak at National and International meetings to share his experience particularly in challenging procedures, including complex 3D mapping of atrial tachycardias and atrial fibrillation (AF).

He is specialization highly complex ablations for recurrent atrial tachycardia and persistent atrial fibrillation (AF), using state-of-the-art 3 Dimensional Mapping Technology such as Carto, Rhythmia, Precision, Cardioinsight and Cryoablation.

He has performed over 800 pacemaker and complex device implantations, including defibrillators. He has a keen interest in training junior doctors, and has guided them to implant over 1200 devices, and now lectures frequently on best techniques for device implantations, including lecturing at the British Junior Cardiologists’ Association Annual Training Meeting

Medical Procedures

  • Tilt table testing
  • Electrophysiology and ablation
  • 24-hour blood pressure monitor
  • ECG monitor
  • pericardiocentesis
  • pacemaker implantation
  • echocardiogram
  • transoesophageal echocardiography
  • catheter ablation
  • defibrillator implantation
  • cardiac investigations
  • ECG
  • exercise stress test

Special Interests

  • atrial fibrillation
  • electrophysiology
  • heart valve problems
  • inherited cardiac conditions
  • palpitations
  • dizziness
  • long DT syndrome
  • ventricular fibrillation
  • heart failure
  • high blood pressure
  • non-invasive heart imaging
  • atherosclerosis
  • chest pain
  • bradycardia
  • heart rhythm
  • pacemaker
  • hypertrophic cardiomyopathy
  • valvular heart disease
  • congestive heart failure
  • heart attack
  • tachycardia
  • Syncope
  • Blackouts
  • Postural orthostatic tachycardia syndrome


  • English


Double First Class Honours University of Cambridge


University of Cambridge - MB BChir- 2000 (Double First Class Honours)
Imperial College London - PhD 2010 (Atrial Fibrillation)
IBHRE Pacing Certified (USA Heart Rhythm Society) 2009

Royal Society of Medicine
Royal College of Physicians
Heart Rhythm Society
Medical Advisory Committee for STARS (Syncope Trust and Reflex Anoxic Seizures) Society
Medical Advisory Committee for Arrhythmia Aliiance

Amenities and Features

  • Comfortable chairs
  • Bike Parking

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