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Professor Mark Mason
Professor Mark Mason
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Professor Mark Mason is a consultant cardiologist who treats private patients at Harefield Hospital and 77 Wimpole Street.

He qualified in medicine at Charing Cross and Westminster Medical School (now part of Imperial College London), then went on to complete cardiology training with the London Deanery.

He has been a consultant cardiologist since 2001. Alongside his role, he is director of the heart division at Harefield Hospital.

Clinical expertise

Professor Mark Mason is an expert in coronary intervention. He is nationally recognised as a specialist in pacing lead extraction and has been a specialist adviser to the National Institute for Health and Care Excellence (NICE) on the use of laser sheaths in pacing lead extraction.

He has extensive experience in managing patients with heart conditions such as:

  • coronary artery disease
  • mitral valve disease
  • heart failure.

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

  • cardiac resynchronisation therapy (also called ‘biventricular pacing’)
  • implanting pacemakers
  • implantable cardioverter defibrillator (ICD)
  • pacemaker and ICD extraction, including the use of laser lead extraction.

In addition, he has a keen interest in sports cardiology, including screening for the risks associated with participation in endurance sport, particularly in older athletes.

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Medical Procedures

  • Cardiac resynchronisation therapy (also called ‘biventricular pacing’)
  • Implanting pacemakers
  • Implantable cardioverter defibrillator (ICD)
  • Pacemaker and ICD extraction, including the use of laser lead extraction


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Special Interests

  • Coronary artery disease
  • Mitral valve disease
  • Heart failure


Primary Medical Qualification

MB BS 1988 University of London