Professor Mark O'Neill: Cardiology
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Professor Mark O'Neill

Cardiology

 

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Overview

Specialises in

  • Electrophysiology
  • Electrophysiology complex cardiac ablation
  • Electrophysiology intervention
  • Electrophysiology simple cardiac ablation
  • Reporting of echocardiography

About me

Professor Mark O’Neill completed his undergraduate medical and postgraduate scientific training at University College Dublin and the University of Oxford before embarking on specialist medical and cardiology training in London.

In 2005, he undertook a specialist training fellowship in cardiac electrophysiology in Bordeaux with Professors Michel Haissaguerre and Pier Jais, specifically to develop expertise in catheter ablation of atrial fibrillation.

In October 2009, he joined St Thomas’ Hospital and King’s College London in the Department of Cardiology and School of Biomedical Engineering and Imaging Sciences. He was promoted to Reader in 2011 and Professor in 2014. He is the Departmental Lead for Arrhythmias in Adult Congenital Heart Disease, the Divisional research lead for electrophysiology and the Service lead for Cardiac Electrophysiology and Devices. He currently supervises five PhD students and has published over 250 peer-reviewed papers, books and proceedings in the field of arrhythmia medicine.

He is an internationally recognized expert in catheter ablation of atrial fibrillation and tachycardia. He founded the London Deanery Subspecialty Electrophysiology Training Programme in 2008 and is the South London Training Programme Director for Electrophysiology. He is an editorial board member of three specialist electrophysiology journals and a scientific programme committee member of the Heart Rhythm Society, the largest professional association in the field of arrhythmia medicine.

He sees patients privately at 78 Harley St and the Harley St. Clinic. He performs electrophysiological interventions for simple and complex arrhythmias using the very latest techniques and technologies at both the Harley St Clinic and St. Thomas’ Hospital, London where he is the Director of the Translational XMRI Cardiac intervention Research Facility.

Areas of interest

Palpitations; Atrial fibrillation ablation; Cardiac electrophysiology; Radiofrequency catheter ablation; Arrhythmias; Ablation; Arrhythmias in adult congenital heart disease; magnetic resonance imaging; Supraventricular tachycardia; Ventricular tachycardia;

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Information for healthcare professionals

Information for healthcare professionals (Bupa patients only, last 12 months)

Procedures completed

  • 64302

    Transoesophageal echocardiography (including reporting) (as sole procedure) - (1-5)

    Harley Street Clinic (1-5)

  • X5020

    External cardioversion - (1-5)

    Harley Street Clinic (1-5)

  • K5780

    Ablation of accessory pathway or selected modification of AV node (including mapping) - (1-5)

    Harley Street Clinic (1-5)

  • K5810

    Diagnostic intracardiac electrophysiological study (including characterisation of intracardiac conduction and any testing of anti-arrhythmic drug efficacy by programmed stimulation) - (1-5)

    Harley Street Clinic (1-5)

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