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Dr Sim Tiong Beng

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  • Senior Consultant, Emergency Medicine Department, National University Hospital
  • Senior Consultant, Emergency Medicine Department, Alexandra Hospital
  • Assistant Professor, Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore


MBBS (Singapore), MRCS A&E (Edinburgh), FAMS


Emergency Medicine

Clinical Disciplines/Programmes:

Chronic Programme (Live Better), FAST Programme (Get Better)

Special Interests:

Observation Medicine, Geriatric Medicine, Ultrasonography


Dr Sim Tiong Beng is a Senior Consultant with both the Emergency Medicine Department of National Univeristy Hospital and Urgent Care Centre of Alexandra Hospital.  He is the Chair of the M&M, Director of EM Geriatric Medicine and Core Faculty of the EM Residency programme. He is also an assistant professor with NUS Yong Loo Lin School of Medicine.

He was awarded MOH HMDP in 2007 where he took up Observation Medicine fellowship at Clevenland Clinic, Ohio, USA from December 2006 to June 2007. In 2011, he was awarded Team AMDA in geriatric medicine where he did a two-week attachment with the RGP programme in Toronto and RVH, Montreal, Canada. He has also won undergraduate and postgraduate teaching excellence awards, along with special recognition award for role modeling.                                                                                                                                                                                  

Dr Sim has special interest in geriatric medicine, observation medicine and ultrasonograhphy, particularly echocardiography. He is also passionate in teaching and mentorship, believes in mutual learning and continuous medical education, and learning from other specialities.

Dr Sim would like to collaborate with like-minded healthcare workers who are passionate about geriatric medicine and care of the elderly, and observation medicine.


  • ​NUHS Excellent Teaching Award
  • Undergraduate Excellent Teaching Award
  • Special Recognition Award
  • HMDP
  • AMDA

Journals & Publications

  1. Lin Z, Sim TB, Ong VYK, Bin Ab Hamid Z, Ho WH. Telemedicine in the acute care setting during the COVID-19 pandemic. Intern Emerg Med. 2020 Nov;15(8):1591-1593. doi: 10.1007/s11739-020-02456-3. Epub 2020 Aug 3. PMID: 32748127; PMCID: PMC7398291.
  2. Jen WY, Kristanto W, Teo L, Phua J, Yip HS, MacLaren G, Teoh K, Sim TB, Loh J, Ong CC, Chee YL, Kojodjojo P. Assessing the Impact of a Pulmonary Embolism Response Team and Treatment Protocol on Patients Presenting With Acute Pulmonary Embolism. Heart Lung Circ. 2020 Mar;29(3):345-353. doi: 10.1016/j.hlc.2019.02.190. Epub 2019 Mar 12. PMID: 30910512.
  3. Chia DWJ, Kuan WS, Ho WH, Sim TB, Chua MT. Early predictors for the diagnosis of liver abscess in the emergency department. Intern Emerg Med. 2019 Aug;14(5):783-791. doi: 10.1007/s11739-019-02061-z. Epub 2019 Mar 7. PMID: 30847718.
  4. Lu Y, Andiappan AK, Lee B, Ho R, Lim TK, Kuan WS, Goh DY, Mahadevan M, Sim TB, Wang Y, Van Bever HP, Rotzschke O, Larbi A, Ng TP. Neuropeptide Y associated with asthma in young adults. Neuropeptides. 2016 Oct;59:117-121. doi: 10.1016/j.npep.2016.07.003. Epub 2016 Jul 20. PMID: 27469060.
  5. Chua MT, Sim TB, Ibrahim I. Not all unexplained hypoxia is pulmonary embolism. Singapore Med J. 2015 Feb;56(2):e32-5. doi: 10.11622/smedj.2015031. PMID: 25715863; PMCID: PMC4350468.
  6. Chor WPD, Yong PXL, Lim LL, Chai CY, Sim TB, Kuan WS. Management of dyspepsia-The role of the ED Observation unit to optimize patient outcomes. Am J Emerg Med. 2018 Oct;36(10):1733-1737. doi: 10.1016/j.ajem.2018.01.057. Epub 2018 Feb 3. PMID: 29444751.
  7. Lateef A, Lee SH, Fisher DA, Goh WP, Han HF, Segara UC, Sim TB, Mahadehvan M,Goh KT, Cheah N, Lim AYT, Phan PH, Merchant RA. Impact of inpatient Care in Emergency Department on outcomes: a quasi-experimental cohort study. BMC Health Serv Res. 2017 Aug 14;17(1):555. doi: 10.1186/s12913-017-2491-x. PMID: 28806942; PMCID: PMC5557060.
  8. Sim TB. NSAIDS-induced anaphylaxis precipitating acute coronary vasospasm. Eur J Emerg Med. 2008 Feb;15(1):48-50. doi: 10.1097/MEJ.0b013e328122dd40. PMID: 18180667.
  9. Lu Y, Ho R, Lim TK, Kuan WS, Goh DYT, Mahadevan M, Sim TB, Van Bever HPS, Larbi A, Ng TP. Neuropeptide Y may mediate psychological stress and enhance TH2 inflammatory response in asthma. J Allergy Clin Immunol. 2015 Apr;135(4):1061-1063.e4. doi: 10.1016/j.jaci.2014.10.036. Epub 2014 Dec 10. PMID: 25498790.
  10. Tan BYQ, Ngiam NJH, Sunny S, Kong WY, Tam H, Sim TB, Leong BSH, Bhartendu C, Paliwal PR, Seet RCS, Chan BPL, Teoh HL, Sharma VK, Yeo LLL. Improvement in Door-to-Needle Time in Patients with Acute Ischemic Stroke via a Simple Stroke Activation Protocol. J Stroke Cerebrovasc Dis. 2018 Jun;27(6):1539-1545. doi: 10.1016/j.jstrokecerebrovasdis.2018.01.005. Epub 2018 Feb 13. PMID: 29422380.

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