Dr Tarun Mittal | Royal Brompton & Harefield Hospitals Education

Dr Tarun Mittal

Consultant cardiothoracic radiologist
Specialises in vascular, thoracic and cardiac imaging.

Dr Tarun K Mittal is a consultant cardiothoracic radiologist at Harefield Hospital.

Dr Tarun K Mittal completed his medical training in India, continuing his post-graduate and 3-years senior residency in Chennai in diagnostic and interventional radiology.  From 1995, at the University Hospital of Wales, he underwent specialist training in clinical radiology with sub-specialisation in cardiovascular and interventional radiology.  This led to CCST in 1999 and then a fellowship training at the Yorkshire Heart Centre in Leeds.

In 2002, he led the cardiovascular MRI service at Harefield Hospital and at the National Heart and Lung Institute was granted an honorary senior clinical lecturer position.

Dr Mittal was the head of the imaging department between 2006 and 2011 and chairman of the Radiation Protection Committee until 2016 at Harefield Hospital.  He then completed an MSc in Preventive Cardiology at Imperial College London.

Clinical expertise

Dr Mittal is a specialist in MRI and CT of the vascular and heart system.  He has worked at Royal Brompton and Harefield hospitals for over 18 years, where he sees patients from routine to the more complex cardiovascular conditions in adults.

Dr Mittal’s dedication to his career has encouraged an interest in preventative options and working towards mindfulness, cardiovascular prevention and yoga.

Research interests

Dr Mittal’s research projects involve imaging of coronary heart disease, risk assessment, ventricular assist devices, heart failure, aortic valve disease and heart and lung transplantation.

He is the lead in a randomised controlled trial in collaboration with his peers at Imperial College London and Oxford University exploring the use of mindfulness in patients with chest pain (MIPIC).

He is currently involved in a few studies; the UK COVID-19 Cardiovascular CT Risk Assessment Consortium Study and Oxford Risk Factors and Non-Invasive Imaging Study.


Dr Mittal has recently published his work in collaboration with Brunel University on cardiac CT in aortic valve stenosis using computational fluid dynamics.

He founded both the Society of Cardiovascular CT (SCCT) and Society of Cardiovascular Magnetic Resonance (SCMR) and presents his research findings at international meetings.


Dr Mittal is well known within the UK and abroad for teaching and training both cardiologists and radiologists in cardiac MRI and CT imaging. He also works closely with the trainees at the London deanery and supports his fellows in core and advanced cardiac imaging.


He is the organiser for the UK Cardiac CT Course since its conception in 2009.