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Home > Our Doctors > Our Doctors > Department of Cardiac, Thoracic and Vascular Surgery > Assistant Professor Ramanathan K.R.

Assistant Professor Ramanathan K.R.



Consultant Department of Cardiac, Thoracic and Vascular Surgery, NUHCS

Assistant Professor Department of Surgery, Yong Loo Lin School of Medicine, NUS


Assistant Professor Ramanathan is an Adult Cardiac Intensivist at the Cardiothoracic Intensive Care Unit (CTICU) at the National University Heart Centre, Singapore. Having graduated from Trivandrum Medical College in India, Dr Ramanathan completed his postgraduation MD and Diplomate National Board (DNB) examinations in Anesthesiology. He then completed his National Board Fellowship (FNB) in Cardiac Anesthesiology from Narayana Hrudayalaya, Bangalore and went to UK for further training. While working in the UK, he got selected to the ICU training programme at Brisbane in Australia. He was trained at the Royal Brisbane Hospital and the Prince Charles Hospital and he was awarded his ICU fellowship in 2011. He also completed his Diploma in Echocardiography [DipEcho] from the University of Melbourne and was awarded the honorary fellowship (FCCP) by the American College of Chest Physicians for his contributions to critical care. He worked as a consultant at the Robina Hospital in Gold Coast briefly before joining NUHCS in 2013.


Dr Ramanathan has published several papers and has been an invited speaker at conferences and workshops. He has been actively involved in research programmes in India and Australia. He received the TN Jha Gold Medal for the best research paper from the Indian Society of Anesthesiologists. His work on congenital cyanotic heart diseases was selected for the Janak Mehta Award in Cardiac Anesthesiology while his project on Electrical Impedance Tomography in lung transplant patients got selected for the Matt Spence Medal in Intensive care.



Specialty Interest(s)


  • Post-operative Care
  • Extracorporeal Life Support
  • Infections in ICU
  • Critical Care Echocardiography
  • Simulation training
  • Quality assurance


Professional Highlights


  • Winner T.N Jha Gold medal for the best post graduate research paper- Indian Society of Anesthesiologists
  • Selected for Janak Mehta award for the best research paper in cardiothoracic anesthesia.
  • Selected for Matt Spence medal for the best research paper in Intensive care at ANZICS conference, Brisbane
  • Specialist registration with AMC in Intensive Care
  • Honorary Asst. Professor, Bond University, Gold Coast, Australia
  • Specialized in Cardiac Anesthesiology [India] and Intensive care [Australia]
  • Trained in management of ECMO, VAD, and transplant patients


Professional Memberships


  • Member. National Academy of Medical Sciences
  • Member. Indian Association of Cardiothoracic Anesthesiologists (IACTA)
  • College of Intensive Care Medicine, Australia
  • Member. American College of Chest Physicians
  • Member. Australia-New Zealand Intensive Care Society




  1. An unusual case of non-tropical endomyocardial fibrosis. Ramanathan K, D Platts, YV Apte, D Mutalidas. Sarcoidosis Vasculitis And Diffuse Lung Diseases 2014; 31; 71-75
  2. An interesting case of Coronary- cameral fistula. Ramanathan et al, Annals of Cardiac Anesthesia, vol 8 no. 2, 152-54.
  3. Anesthesia for Angelman syndrome. Ramanathan, Muthuswamy, Brian Jenkins, Anaesthesia, 2007, vol 63 no.6, 659-61.
  4. Inhalational Nitroglycerine and pulmonary hypertension. Ramanathan KR, e-letters, British Journal of Anesthesia, 2006, vol 97.
  5. A Case of Tobacco Tamponade. Ramanathan, Nikki Blackwell. BMJ Case reports, 2010
  6. Efficacy of propofol in prevention of nausea- vomiting in gynecological surgeries. Ramanathan KR, Augustus, Thirvengadam etal, Internet Journal of Anesthesiology, 2004, vol 7 no. 1.
  7. Renal function in Off pump Coronary Artery Bypass surgery: Effects of pentastarch and tetrastarch: a double blind randomised trial. Ramanathan, Sanjay Banakal, Muralidhar, Internet Journal of Anesthesiology,2008,vol 17 no.2.
  8. Delayed presentation of Angiotensin converting enzyme inhibitor induced angioedema- a case report. Amey Guy, Pasan Waidyasekhara, Ramanathan K R. BMJ Case Reports. July 2013


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