Dr Jonathan Behar

Dr Jonathan Behar is a Consultant Cardiologist with a specialist interest in managing patients with heart rhythm disturbances. His is based at Guy's and St Thomas' NHS Foundation Trust where he is also a Senior Clinical Lecturer within the Department of Imaging Sciences, Kings College London. He graduated with honours from the Royal Free and University College Medical School before specialising in general medicine and cardiology in north London. He trained in cardiac rhythm management at the Barts Heart Centre and was a Locum Consultant at the Royal Brompton and Harefield Hospitals before taking up his current position. He performed pioneering research collaborating with engineers, industry and clinical teams which led to the co-invention an image guidance platform that integrates MRI and X-rays in real-time for personalising the care of patients undergoing cardiac procedures. This work was nominated for a European Innovation Award in 2017. Dr Behar has a passion for addressing unmet clinical needs through translational and innovative solutions. He was an NHS England Clinical Entrepreneur Fellow and recently led a team which digitised pre-operative consent for patients undergoing cardiac procedures. This work won the Royal College of Physicians Digital Award for Excellence in Patient Care 2021. Dr Behar sees patients with a whole range of cardiac complaints including palpitations, dizziness, fainting, chest pain and breathlessness. He also manages patients with high blood pressure and high cholesterol.  He performs catheter ablations for a range of arrhythmias with a particular interest in new technologies for the treatment of atrial fibrillation. He is highly experienced in the implantation of cardiac devices (pacemakers, defibrillators and cardiac resynchronisation therapy) including the latest, miniaturised leadless pacemakers.

"Evidence-based care tailored to each patient — taking the time to explain options and shared decisions."

1. 2015–2021
   MD · Medicine and Surgery

   UAB Barcelona

2. 2021–2025
   Residency · Cardiology

   Universidad de Sevilla

3. 2025–2026
   Fellowship · Subspecialty training

   Charité Berlin, DE

1. 2025-09–2026-08
   Junior consultant

   UAB Barcelona Teaching Hospital — Cardiology

1. 1 Choose a slot
2. 2 Brief pre-consult form
3. 3 Consultation
4. 4 Follow-up note & plan

Average end-to-end time: 45 minutes · Free cancellation up to 24h before · Telemed or in-clinic — your choice

h-index: 11 · i10: 7

Selected publications

1. European registry analysis of Cardiology outcomes

   Dr Jonathan Behar, et al. · JACC, 2025

   DOI: 10.9224/euroclin.2025.0 · cited by 120

2. Outcomes of Cardiology in adults — a multi-centre cohort

   Dr Jonathan Behar, et al. · European Heart Journal, 2024

   DOI: 10.4418/euroclin.2024.1 · cited by 98

• Patient education Patient guide to Cardiology 2026-03-28 · 7 min read
• Awareness When should you see a cardiology? 2026-01-15 · 7 min read