Dr Niall Keenan

Dr Niall Keenan

Cardiology, General (internal) medicine 06030047


  • Fee assured
  • Not in Open Referral network
Fee assured
Not in Open Referral network

Specialises in

  • Cardiac CT/MRI


  • Face-to-face consultations
  • Video and telephone consultations

About me

Dr Keenan is a Consultant Cardiologist at West Herts Teaching Hospitals NHS Trust and an Honorary Clinical Senior Lecturer at Imperial College, London.

He qualified from Oxford University in 2001 and then trained in cardiology in London. He carried out specialised training and research in cardiac MRI at the Royal Brompton Hospital, in cardiac CT at the London Chest Hospital, and in echocardiography at Hammersmith Hospital in London, and also at Hopital Bichat in Paris. He has also undertaken advanced heart failure training at Harefield Hospital.

At West Herts NHS Trust he is Associate Medical Director for Quality and Innovation.

He is Treasurer of the British Society of CMR (BSCMR) and led a recent study of the state of CMR in the UK.

In 2020 he was invited to join the Scientific Documents (Guidelines) Committee of the European Association of Cardiovascular Imaging (EACVI).

Since 2021 he has been Clinical Lead for the prize winning South and West Herts HCP Virtual Ward. He chairs the NHS England East of England Clinical Advisory Group for Virtual Wards, and sits on the NHS England National Steering Group for Virtual Wards.

At Spire Bushey Hospital, Dr Keenan sees patients with the full range of cardiological problems including coronary artery disease, hypertension, and arrhythmia. He has a particular interests in heart failure, valvular heart disease, cardio-oncology (cardiac issues arising during cancer treatment), and assessment for cardiac fitness to undergo anaesthesia/surgery. He sees patients with symptoms such as chest pain, breathlessness, palpitations and blackouts. Non-invasive testing performed at Spire Bushey Hospital includes echocardiography, stress echocardiography, cardiac CT, and cardiac MRI including CMR stress perfusion.

He emphasises a caring and holistic approach, focused on the individual, with an emphasis on carefully listening to the patient, a thorough assessment, clear explanations, and shared decision making.

Areas of interest

Chest pain; breathlessness; hypertension; heart murmur; palpitations; atrial fibrillation; heart failure; valvular heart disease; coronary artery disease; myocardial infarction; cardiomyopathy; cardio-oncology; assessment of cardiac fitness for surgery.

Medical secretaries

About me
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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)

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