Senaka Rajapakse

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Senaka Rajapakse
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NationalitySri Lankan
CitizenshipSri Lanka
  • Professor in Medicine
  • Researcher
EmployerUniversity of Colombo

Senaka Rajapakse is a Sri Lankan academic, researcher and clinician. He is senior professor in Medicine, University of Colombo, Sri Lanka and the director of the Lanka Post Graduate Institute of Medicine, University of Colombo, Sri Lanka.


'Senaka Rajapakse studied Dharmashoka College, Ambolango, Sri Lanka and entered Colombo Faculty of Medical, University of Colombo, Sri Lanka. He graduated from Faculty of Medicine, University of Colombo in 1993.[1] Rajapakse received Doctor of Medicine from University of Colombo and membership from the UK Royal College of Physicians, UK. He had training in General (Internal) Medicine and Intensive care at Singapore National University Hospital, Singapore.

Educational and Professional Activities

Rajapakse is a consultant physician in General (Internal) Medicine in department of Medicine, University of Colombo and honorary consultant at University medical unit, National Hospital of Sri Lanka.[2] He was promoted to Professor in 2009 and Senior Professor in 2018. He is a Fellow of the Royal College of Physicians of London and Royal College of Physicians, Edinburgh, the the Ceylon College of Physicians, and the National Academy of Sciences of Sri Lanka. He is President Elect[3] of the Ceylon College of Physicians for 2021, Past-President[4]of the,and Regional Adviser[5]for Colombo to the Royal College of Physicians of Edinburgh. He is co-editor[6] of the , and is on the editorial board of several journals. He has supervised and trained numerous specialist medical trainees and research students. He is the founder member of the Hypertensive society in Sri Lanka. Project lead for the . Founder and Head of the virtual learning centre, medical faculty Colombo (2004-2009). Department Head, Department of clinical medicine, (2009-2010) and worked as the Director[7], Local Technical Secretariat, World Bank IDA funded IRQUE project (Improving Relevance and Quality of Undergraduate Education): 2007-2010. Rajapakse also worked as the Director[8] of the and has played a leading role in development of online teaching and learning.


His main research interest is in tropical infectious diseases, in particular dengue and leptospirosis, and he has over 140 publications in peer-reviewed journals, with over 3500 citations and an H-index of 34.[9] He has won numerous research awards, including many Presidential Awards for research, the National Science Foundation Research Award for Scientific Excellence in 2017, the University of Colombo award for Excellence in Research 2002, 2011, & 2015, and the Vice Chancellor’s Award for Excellence in research 2017. He was the SCOPUS Most Prolific Author for 2011-2017. He was awarded the CVCD (Committee of Vice-Chancellors and Directors, Sri Lanka) Most Outstanding Senior Researcher in Health Sciences Award in 2016,[10] which is a lifetime award for excellence in research. He was ranked in the top 2% of scientists around the world in a recent paper from Stanford University, published in the journal PLoS Biology.[11] This study has classified the scientists based on their career-long citation impact until the end of 2019.


Citation report
Total publications 140
Total citations 3753
citation without self-citations ?
i10 index 78
H index 34
  1. Anti-Anti-digoxin Fab fragments in cardiotoxicity induced by ingestion of yellow oleander: a randomised controlled trial,The Lancet 355 (9208), 967-972.[12]
  2. Acute yellow oleander (Thevetia peruviana) poisoning: cardiac arrhythmias, electrolyte disturbances, and serum cardiac glycoside concentrations on presentation to hospital, Heart 83 (3), 301-306.[13]
  3. Deaths due to absence of an affordable antitoxin for plant poisoning,The Lancet 362 (9389), 1041-1044.[14]
  4. Guidelines for management of Yellow Oleander Poisoning, Journal of Ceylon College of Physicians, September 2000 34: 20-22.[15]
  5. Age bias in clinical trials of Parkinson DiseaseJournal of the American Geriatric Society, Volume 56 issue 12 December 2008,Pages 2353-2354.[16]
  6. Is investigating for Carotid Artery disease warranted in non-Lacunar Infarcts, Stroke 2011;42:217-220.[17]


  1. Handbook of Critical Care 2009. ISBN: 978-955-51749-0-9[18]
  2. Case discussions in critical care 2009. ISBN: 978-955-51749-2-3[19]
  3. HIV and Women. ISBN:978-955-51749-1-6[20]
  4. Update on four tropical infectious diseases.[21]
  5. MCQs in Cardiovascular Medicine.[22]
  6. A Guide to Internship in Medicine.[23]
  7. A Primer of Geriatric Medicine, An introduction to geriatric medicine.[24]
  8. Long Cases for the Final MBBS.[25]
  9. Book Chapter: Chapter 1, in “Mind your Heart-A guide to a heart friendly healthy life style” by Shyam Fernando. ISBN: 955-599287-7[26]
  10. A Manual for Developing E-Learning Material.[27]
  11. National Hypertension Guidelines – Sri Lanka 2003[28]
  12. Postgraduate Companion in General Medicine Vol 1 and 2. Ceylon College of Physicians[29]

Multimedia publications

  1. Rajapakse S, Fernando SD, OSCE in Medicine (ISBN:978-955-51983-2-5). Virtual Learning Centre, Faculty of Medicine, University of Colombo[30]
  2. Fernando SD, Rajapakse S, Rubasinghe N. Lymphatic filariasis – Interactive CD. (ISBN:978-955-5067-4-4). Virtual Learning Centre & Department of Parasitology, Faculty of Medicine, University of Colombo.[31]
  3. Rajapakse S, Rodrigo C, Rubasinghe N. Interactive critical care. CD ROM. (ISBN: 978-955-51749-2-3)[32]
  4. Rajapakse S. Sepsis- an interactive CD-ROM. (ISBN:978-955-51983-3-2)[33]
  5. Fernando SD, Rajapakse S. Clinical Cases in Parasitology – Interactive CD ROM (ISBN:978-955-51983-6-3).[34]
  6. Fernando D, Rajapakse S. Identification, Prevention and First Aid of Snake Bites. Interactive CD ROM. ISBN 978-955-50677-3-7[35]
  7. Rajapakse S, Hendrie D. E-learning package in Acute Medicine in 2011 for United Lincolnshire Hospitals NHS Trust.

Research Grants

  1. National Science Foundation, Sri Lanka, Grant.[36]
  2. National Research Council, Sri Lanka.[37]
  3. University Research Grant.[38]

Professional affiliations and honors

  1. University of Colombo Faculty of Medicine Oration 2013: Predicting outcome in leptospirosis- towards a severity score. 4th October 2013
  2. E.V. Peiris Memorial Oration 2014, Ceylon College of Physicians. Leptospirosis: challenges in diagnosis, and predictors of severity. 6th October 2014[39]
  3. President, Sri Lankan College of Internal Medicine 2018[40]
  4. Regional Adviser for Colombo, Royal College of Physicians of Edinburgh
  5. Council Member, Ceylon College of Physicians[41]
  6. Fellow, Royal College of Physicians of Edinburgh – 2010[42]
  7. Fellow, Royal College of Physicians, London Membership[43]
  8. Member, Society of Critical Care Medicine, USA 2007-2009
  9. Treasurer and founder member, Sri Lanka Hypertension Society<ref>>
  10. Assistant Secretary, Sri Lanka Medical Association 1997<ref>>
  11. Life Member, Sri Lanka Medical Association<ref>>
  12. Founder member, National Stroke Association<ref>>
  13. Former Editor, Health Informatics Society of Sri Lanka,2004<ref>>
  14. Co-editor, National Hypertension Guidelines Committee, 2001-2003
  15. Member, Sri Lanka Association of Nephrology and Transplantation


  1. Rajapakse, Senaka. "Professor".
  2. Rajapakse, Senaka. "Professor".
  3. Rajapakse, Senaka. "Professor". Ceylon College of Physicians.
  4. Rajapakse, Senaka. "Professor". Sri Lanka College of Internal Medicine.
  5. Rajapakse, Senaka. "Professor". Royal College of Physicians of Edinburgh.
  6. Rajapakse, Senaka. "Professor". Ceylon Medical Journal.
  7. Rajapakse, Senaka. "Professor". University of Colombo.
  8. Rajapakse, Senaka. "Professor". Network Operation Centre, University of Colombo.
  9. Rajapakse, Senaka. "Professor". Google Scholar.
  10. Rajapakse, Senaka. "Professor". University of Colombo, Sri Lanka.
  11. Rajapakse, Senaka. "Professor". PLoS Biology. John P. A. Ioannidis , Kevin W. Boyack, Jeroen Baas.
  12. Rajapakse, Senaka. "Dr". The Lancet. 355 (9208): 967.
  13. Rajapakse, Senaka. "Dr". Heart. 83 (3): 301.
  14. Rajapakse, Senaka. "Dr". The Lancet. 362 (9389): 1041.
  15. Rajapakse, Senaka (September 2000). "Dr". Journal of Ceylon College of Physicians. 34: 20.
  16. Rajapakse, Senaka (December 2008). "Dr". American Geriatric Society. 56 (12): 2353.
  17. Rajapakse, Senaka (2011). "Dr". Stroke. 42: 217.
  18. Rajapakse, Senaka. Prof.
  19. Rajapakse, Senaka. "Prof". University of Colombo.
  20. Rajapakse, Senaka. "Professor". University of Colombo.
  21. Rajapakse, Senaka. "Professor". University of Colombo.
  22. Rajapakse, Senaka. "Professor".
  23. Rajapakse, Senaka (2014). Professor (first ed.). Sri Lanka: Kumaran.
  24. Rajapakse, Senaka (2015). Professor (first ed.). Sri. Lanka: Kumaran. p. 1.
  25. Rajapakse, Senaka. Profesor (First ed.). Sri Lanka: Kumaran. p. 1.
  26. Rajapakse, Senaka. "Professor".
  27. Rajapakse, Senaka. "Professor".
  28. Rajapakse, Senaka. "Professor".
  29. Rajapakse, Senaka. "Professor".
  30. Rajapakse, Senaka. "Prof".
  31. Rajapakse, Senaka. "Prof".
  32. Rajapakse, Senaka. Professor.
  33. Rajapakse, Senaka. "Professor".
  34. Rajapakse, Senaka. "Professor".
  35. Rajapakse, Senaka. "Professor". University of Colombo.
  36. Rajapakse, Senaka. "Professor". University of Colombo.
  37. Rajapakse, Senaka. "Professor". University of Colombo.
  38. Rajapakse, Senaka. "Professor". University of Colombo.
  39. Rajapakse, Senaka. "Professor". University of Colombo.
  40. Rajapakse, Senaka. "Professor". SLCIM.
  41. Rajapakse, Senaka. "Professor". CCP.
  42. Rajapakse, Senaka. "Professor". University of Colombo.
  43. Rajapakse, Senaka. "Professor". University of Colombo.

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