Dr Koh was awarded National Health Service Clinical Excellence Awards in 2005, 2007, 2010 and 2012.
He sees all general cardiology patients, including patients with chest pain / angina, palpitations / arrhythmia, breathlessness, heart murmur, hypertension and high cholesterol. Dr Koh specialises in coronary risk factor modification, and has a special interest in heart disease in women and screening for coronary disease.
Dr Koh is a recognised expert in coronary interventional procedures including angiography and angioplasty and stent insertion (especially transradial coronary interventional procedures).
Dr Koh is Consultant-in-Charge of the Transoesophageal echocardiography Service at Barts and The London NHS Trust - London Chest Hospital. He is actively involved in training in other cardiologists, general practitioners and specialists nurse practitioners. He is training supervisor for Diploma in Cardiology.
Dr Koh has full accreditation in Transthoracic and Transoesophageal echocardiography. He has dual accreditation from both British Society of Echocardiography and the European Society of Cardiology (European Association of Cardiovascular Imaging). He is an elected Fellow of American Society of Echocardiography.
He is a member of the British Heart Valve Society and European Society of Cardiology Working Group on Valvular Heart Disease.
Dr Koh is chapter author in the Oxford Handbook of Cardiology. His contribution to the cardiology scientific literature covers a wide range of disciplines including coronary artery disease, coronary intervention, cardiac imaging (especially transoesophageal echocardiography including 3D TOE) and cardiac arrhythmias.
Dr Koh's awards include:
- NHS Clinical Excellence awards in 2005, 2007, 2010 and 2012.
- British Heart Foundation Research Fellowship
- Sir Thomas Lewis Memorial Prize in Cardiology
- Meyerstein Scholarship
- Frank Scott Scholarship
*Board certification and affiliations*
- Fellow American College of Echocardiography
- Fellow of American Society of Cardiology
- Fellow of American College of Cardiology
- Fellow of European Society of Cardiology
- Fellow of Society of Cardiovascular Angiography and Interventions
- British Cardiovascular Society
- British Cardiovascular Intervention Society
- General Medical Council Specialist Register in Cardiology and Internal Medicine
- Certificate of Completion of Specialist Training (CCST)
- Fellow of Royal College of Physicians (UK)

• Coronary heart disease and coronary angioplasty and stent insertion
• Heart disease in women
• Transoesophageal echo including 3D echo
• Chest pain and palpitations
• High cholesterol

• Consultant Cardiologist
  Barts & The London NHS Trust and BHR NHS Trust

• University College Hospital (UCL Medical School) 1983
• Royal Brompton Hospital Research Fellowship 1998
• St Batholomew’s Hospital and London Chest Hospital 1999