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Clin Asst Prof Teo Loon Yee Louis

Clin Asst Prof Teo Loon Yee Louis

​MBBS (Hons, Australia), MRCP (UK), FACC (USA), DIP ASCE (USA), DIP AdvPTE (USA)

Senior Consultant

National Heart Centre Singapore

Specialty: Cardiology

Sub-specialties: Heart Failure, Echocardiography

Conditions Treated by this Doctor:
Cardiovascular Disease, Chest Pain, Chest Pain, Echocardiogram, Heart Failure.

Clinical Appointments

  • Senior Consultant Department of Cardiology National Heart Centre SingaporeNational Heart Centre Singapore
  • Senior Consultant SingHealth Duke-NUS Transplant Centre


Clin Asst Prof Louis Teo is a Senior Consultant with the Department of Cardiology at the National Heart Centre Singapore. His subspecialty interest is in Heart Failure and Echocardiography.


  • Cardiology Specialist (Singapore) 2014
  • Advanced Perioperative Transesophageal Echocardiography (ASC_EXAM) (USA) 2016
  • Adult Transthoracic Plus Transesophageal Echocardiography (ASC_EXAM) (USA) 2016
  • Member, Royal College of Physicians (MRCP UK) 2010
  • Bachelor of Medicine, Bachelor of Surgery (The University of Melbourne, Australia) 2005
  • Bachelor of Medical Science (The University of Melbourne, Australia) 2005

Professional Appointments and Committee Memberships

  • Senior Consultant, Department of Cardiology, National Heart Centre Singapore, November 2021 to Present​
  • Consultant, Department of Cardiology, National Heart Centre Singapore, 2016 to October 2021
  • Clinical Assistant Professor, Duke-NUS Medical School
  • Clinical Lecturer, Yong Loo Lin School of Medicine, National University of Singapore
  • Clinical Lecturer, Lee Kong Chian School of Medicine, Nanyang Technological University


Research Interests


  • ​Ventricular Electrical Standstill in a Patient with Left Ventricular Assist Device. Teoh CK, Ho KL, Teo L, Sim D, Kerk KL, et al. Int Arch Cardiovasc Dis. 2018 Feb 2:004
  • Novel use of low-dose thalidomide in refractory gastrointestinal bleeding in left ventricular assist device patients. Seng BJJ, Teo LLY, Chan LL, Sim DKL, Kerk KL, Soon JL, Tan TE, Sivathasan C, Lim CP. Int J Artif Organs. 2017 Oct 27;40(11):636-640.
  • Heart failure with preserved ejection fraction in hypertension. Teo LY, Chan LL, Lam CS. Curr Opin Cardiol. 2016 Jul;31(4):410-6.
  • Ultrafiltration in patients with decompensated heart failure and diuretic resistance: an Asian centre's experience. Teo LY, Lim CP, Neo CL, Teo LW, Ng SL, Chan LL, Kaushik M, Sim KL. Singapore Med J. 2016 Jul;57(7):378-83.
  • Evolving Approaches to Genetic Evaluation of Specific Cardiomyopathies. Teo LY, Moran RT, Tang WH. Curr Heart Fail Rep. 2015 Dec;12(6):339-49.

Research Trials