Dr Niall Keenan

Dr Niall Keenan

Cardiology, General (internal) medicine 06030047


  • Fee assured
Fee assured

Specialises in

  • Cardiac CT/MRI


  • Video and telephone consultations

About me

Dr Keenan is a consultant cardiologist at West Herts NHS Trust, an honorary consultant cardiologist at Hammersmith Hospital, 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 Clinical Director for Interventional Medicine. He is a board member 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).

At Spire Bushey Hospital, Dr Keenan sees patients with the full range of cardiological problems including coronary artery disease, hypertension, and arrhythmia, with a particular interest in heart failure and valvular heart disease, as well as patients being investigated for 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.

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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) - (5-50)

    Spire Bushey Hospital (1-5)

  • X3510

    IV sedation administered by operator - (1-5)

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