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Dr Chew Si Yuan

Dr Chew Si Yuan

MBBS (S’pore), GDFM, M Med (Int Med), MRCS (Ed), MRCP (UK), EDIC


Singapore General Hospital

Specialty: Respiratory & Critical Care Medicine

Clinical Interest: Intensive Care Medicine, Chronic Obstructive Pulmonary Disease, Airway Diseases, Pulmonary Rehabilitation

Conditions Treated by this Doctor:
Asthma, Bronchiectasis, Chronic Cough, Chronic Obstructive Pulmonary Disease (COPD), Critical Care, Dyspnea and Dysfunctional Breathing, End-Stage Chronic Lung Diseases, Lung Cancer, Pleural Effusions, Pulmonary Infections, Pulmonary Rehabilitation, Severe Asthma.

Clinical Appointments

  • Consultant Respiratory & Critical Care Medicine Singapore General HospitalSingapore General Hospital

Academic Appointments

  • Clinical Assistant Professor, Duke-NUS Medical School (2022)
  • Core Faculty, SingHealth Senior Residency in Respiratory Medicine (2021 to date)
  • Physician Faculty Member, SingHealth Internal Medicine Residency Programme
  • Physician Faculty Member, Post-Graduate Year 1 (PGY-1) Programme, SingHealth


Dr Chew Si Yuan is currently a Consultant at the Department of Respiratory and Critical Care Medicine, Singapore General Hospital, SGH.

Dr Chew obtained his medical degree from the National University of Singapore (NUS) in 2011. He was awarded his membership to the Royal Colleges of Physicians, UK and the Royal Colleges of Surgeons, Edinburgh in 2013 and 2015 respectively. He has also attained the Graduate Diploma in Family Medicine from NUS in 2016, and Specialty Certificate Examinations in Acute Medicine and Respiratory Medicine from the Royal Colleges of Physicians, UK in 2014 and 2016 respectively. He subsequently completed his specialty training in Respiratory Medicine in 2019 followed by Intensive Care Medicine in Singapore in 2020.

His main clinical and research interests include Intensive Care Medicine, chronic airway diseases, particularly Chronic Obstructive Pulmonary Disease (COPD), and Pulmonary Rehabilitation. Currently, Dr Chew runs the COPD clinic and the Intensive Care Unit at SGH.

Medical education is one of his key interests and he views teaching as one of the highest forms of learning. In this era of increasing medical subspecialisation, Dr Chew strongly believes in the importance of multidisciplinary cross-training in the provision of holistic and patient-centred care.


  • 2022 – Critical Care Echocardiography (CCEeXAM), Testamur, National Board of Echocardiography, USA
  • 2021 – European Diploma of Intensive Care Medicine (EDIC)
  • 2016 – Specialty Certificate Examination in Respiratory Medicine, Royal College of Physicians
  • 2016 – Graduate Diploma in Family Medicine, National University of Singapore
  • 2015 – Member of the Royal College of Surgeons (MRCS), Edinburgh
  • 2014 – Specialty Certificate Examination in Acute Medicine, Royal College of Physicians
  • 2013 – Member of the Royal College of Physicians (MRCP), Edinburgh
  • 2013 – Master of Medicine, National University of Singapore
  • 2011 – Bachelor of Medicine and Surgery (MBBS), National University of Singapore

Professional Appointments and Committee Memberships

  • Member, Clinical Performance Improvement Committee, SGH
  • Member, Advanced Care Planning (ACP) Workgroup, SGH
  • Treasurer, Singapore Thoracic Society (2019 to 2023)


  • Service with a Heart (SGH) 2018
  • Residency in SingHealth Excels (RiSE) Outstanding Resident Award 2017-2019

Research Interests

  • Critical care
  • Asthma
  • COPD
  • Bronchiectasis
  • Pulmonary Rehabilitation


  1. CP Lim, SY Chew, YH Tan, JKS Quek and TT Tan. Administration of Posaconazole Delayed-Release Tablet through Oragastric Tube: A Case Report. Journal of Case Reports in Medicine 2021, Nov 2021 ; 10 (4): 14-15
  2. SL Young, Y Puan, SY Chew, HMS Mohamed, PY Tiew, GL Tan, MS Koh, KCH Lee. Heterogeneity of non-cystic-fibrosis bronchiectasis in multiethnic Singapore. Annals of the Academy of Medicine Singapore, Jul 2021; 50 (7): 556-65
  3. SY Chew, HY Lim, HA Ong, VV Sannasi, B Wee, Tan CK. Inferior vena cava filter migration due to guidewire ensnarement during peripherally inserted central catheterisation. Anaesthesia and Intensive Care, May 2021 ; 49 (2): 1-2
  4. Fong, Isaac, SY Chew, and Tan, Keng Leong. CHEST Pearls: A 27-year-old man with persistent breathlessness following an inhalational injury. CHEST, Apr 2021 ; 159 (4): :E197-E201
  5. Hui, SLY, Salahudeena HM, XM Cheng, SY Chew. CHEST Imaging and Pathology for Clinicians: Chronic cough with non-resolving mass-like consolidation. CHEST, Feb 2021 ; 159 (2): E119-E126
  6. Chew SY; Lee Yee Shay; Deepak Ghimiray; Tan Chee Keat; Gerald Chua. Characteristics and Outcomes of COVID-19 Patients with Respiratory Failure Admitted to a “Pandemic Ready” Intensive Care Unit – Lessons from Singapore. Annals of the Academy of Singapore, Jul 2020 ; 49 (7): 434-448
  7. Chew SY, Leow JYL, Chan AKW, Chan JJ, Tan KBK, Aman B, Tan D, Koh MS. Improving asthma care with Asthma-COPD Afterhours Respiratory Nurse at Emergency (A-CARE). BMJ Open Qual. 2020;9(2):e000894.
  8. Chew SY, Tan CS, Puan Y, Koh JMK. A 78-Year-Old Man With Recurrent Hemoptysis and Persistent Pulmonary Nodule. Chest. 2020;157(3):e79-e84.
  9. Phua CK, Chew SY, Tan YH, Tan ZY, Chotirmall SH. Clinical Heterogeneity in Bronchiectasis. Recommended Reading from the Singapore Respiratory Medicine Fellows. American Journal of Respiratory and Critical Care Medicine, Aug 2019; 200 (4): 507-509
  10. Chew SY, Koh MS, Loo CM, Thumboo J, Shantakumar S, Matchar DB. Making Clinical Practice Guidelines Pragmatic: How Big Data and Real World Evidence Can Close the Gap. Annals of the Academy of Singapore, Dec 2018; 47 (12): 523-527
  11. Wong YJ, Chew SY, Hsiang JC, Thurairajah PH, Kumar R, Teo EK, Gokhale RS, Noor IBM, Tan J. VIEKIRA PAK associated drug-induced interstitial lung disease: Case series with systematic review of literature. Clinical and Molecular Hepatology, Jun 2018; 25: 218-222

Research Trials

  1. ​Principal Investigator: SHF-Foundation Research Grant Call 2017: Special Category (HSR - Health Outcomes) 2018: "Improving mobility in patients on long term oxygen therapy – a home-based physiotherapy programme with novel ambulatory oxygen device."