
Dr Boon Lim

Professional statement
Dr Boon Lim is one of London's leading cardiologists and electrophysiologists. He specialises in heart rhythm disturbances, pacing and syncope at Imperial College and at his Harley Street clinic. He leads the established Imperial Syncope Diagnostic Service at Hammersmith Hospital and is frequently invited to national and international meetings to share his experience. He has a special interest in the mapping and ablation of atrial fibrillation (AF) and is highly-skilled at using modern 3-D mapping technologies.
Dr Lim has been awarded the prestigious Top Doctors Award in each of it's editions in 2017, 2018, and 2019-20. The Top Doctors Awards are peer-nominated by other medical specialists of the doctors that they would recommend to friends and family in times of medical need.
Dr Lim was awarded several distinguished prizes during his medical training at Cambridge University where he obtained a double First Class Honours Degree. He has continued his passion for education and research serving as an Honorary Senior Lecturer at Imperial College where he supervises several PhD students. He is very actively engaged in all aspects of research with a particular interest in developing the best techniques for treating atrial fibrillation. He is invited to speak both nationally and internationally to discuss his findings and to teach other physicians about the best techniques for complex mapping and ablation of atrial fibrillation and other complex arrhythmias.
He leads a very active syncope research team based at the Imperial Syncope Diagnostic Unit and is looking to improve healthcare delivery for patients through use of effective online education to help improve the quality of life for patients across the UK.
Dr Lim is the author of the Penguin Life Experts book 'Keeping Your Heart Healthy' published in September 2021.
Clinics

Welbeck Heart Health
Central London, 1 Welbeck St, London W1G 0AR, UKMedical insurances accepted
Credentials
Professional experience
- 26 years of experience
- Consultant Cardiologist and Electrophysiologist and Clinical Lead for the Imperial Syncope Diagnostic Unit, Hammersmith Hospital, London (present)
Subspecialties
- Atrial fibrillation
- Syncope
Professional memberships
- The British Cardiovascular Society
Education
- MRCP (2003)
- Cardiology training at top tertiary centres in Oxford and Northwest London based at St Mary’s, Hammersmith and the Heart Hospital in central London
Teaching posts
- Honorary Senior Lecturer, Imperial College London (2011 - present)
- Medical PhD Supervisor, Imperial College London
Positions in organisations
- British Cardiovascular Society Reviewer for 2018 European Society of Cardiology Guidelines
- Medical Advisory Committee, Syncope Trust and Reflex Anoxic Seizures (STARS) Charity
Publications and conferences
- Syncope: Scope of the problem and setting up a syncope clinic. Lecture at Annual Finapress International Meeting Dec 2016, Chandos House, London
- New mapping technologies for atrial fibrillation (AF) - Rhythmia. Lecture and Faculty at Europe AF meeting, Nov 2016, London.
Prizes and awards
- Top prize President’s Medal for Cardiology at the Royal Society of Medicine
- Lindo Foundation Prize at St Mary’s Hospital
Languages spoken
- English
Reviews
- Would you recommend this doctor?
- Treatment of the doctor
- Treatment of the staff
- Waiting time
- Condition of facilities
- I had a great consultation with Dr Lim today. I have recently been diagnosed with paroxysmal AF and am awaiting a cardiac ablation procedure. Dr Lim is an extremely competent, knowledgeable, and compassionate cardiologist. He listened to all my concerns and explained the procedure very well to my wife and me. He even provided a letter for the airline so that I can postpone my travels until my condition is stable. Today I felt reassured and in good hands. I can highly recommend Dr Lim to anyone.
- Dr. Lim is a very intelligent, kind, compassionate Cardiologist. He truly listens and explains things well. Helped me a great deal in explaining nervous system being out of sync due to trauma. Helped me understand connection to Paroxysmal Afib. I would highly recommend him.
- Dr Boon Lim and his team provided a first rate experience for AF ablation. Dr Boon Lim took time to discuss in depth the procedure and answer all my questions thoroughly and diligently before and after the procedure. I felt safe and secure with his leadership and surgical skill.
- Dr Boon has been amazing over the past two years. He always listened, explained everything clearly, and truly cared. My heart ablation was a complete success, and I’m so grateful for his skill and compassion. Highly recommend! look no further! I'll be forever greatful to him.
- Dr Boon Lim is an extraordinary cardiologist. I really can't speak high enough of both the consultations and the recent surgery that he has performed on me. An absolute superstar
- It was a pleasure seeing Dr Boon Lim yesterday, he is thorough, understanding and ensures that he provides a clear explanation of the situation, he also cares and that is a great quality, I would highly recommend.
- Dr Lim took me on as a patient in a critical situation. Went above and beyond to both put me at ease and support me going forwards. A true expert in his field with exceptional knowledge, communication and compassion.
- Dr Boon Lim is a gifted and highly skilled physician and communicator. His holistic approach to my treatment has been life changing - not only in regard to my cardiac health but to all aspects of my outlook on life.
- I cannot recommend Dr Boon Lim highly enough. He is extremely professional and personable. He has a well trained and friendly team supporting him who all put me at ease for my ablation procedure. To sum up cool, competent and caring.