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About Our Doctor

 

Dr. Michael Lim is an internationally renowned Interventional cardiologist with extensive experience in computerized tomography (CT) imaging of the heart and is also one of the pioneers of using magnetic resonance (MR) imaging of heart arteries in place of invasive tests. He graduated from National University of Singapore in 1984 and went on to complete his Masters in Medicine in Singapore and his membership exams for the Royal College of Physicians in United Kingdom (UK). He was in the pioneer group of doctors who formed the Cardiac department in National University Hospital when it was first established in 1989. He was the first cardiologist in Singapore to be sent for a fellowship in interventional radiology/cardiology in the USA.

 

A pioneer in carotid artery stenting, having performed Asia’s first in 1995, Dr Lim also devotes his time into research. He has written numerous scientific papers in peer reviewed journals and has published one of the first papers in Asia demonstrating highly accurate diagnosis using CT imaging of the heart arteries in the journal, Clinical Radiology.  For this publication, in 2009, he was honoured for this achievement by being presented a Top Cited certificate on being the author of one of the Top 10 cited papers (2006-2008) published in Clinical Radiology, a prestigious international publication of the Royal College of Radiologists in UK. In addition, he published the world’s first paper, featured in the Journal of the American College of Cardiology (JACC), on the use of CT guided angioplasty and stenting, which showed that complex disease of the heart arteries was stented safely without major complications. One of his publications in the journal, Circulation, in April 2012 on the use of MR imaging of the heart arteries marks another milestone in imaging. Most recently, Dr. Lim submitted a paper accepted for publication in Heart Journal 2013, on the safety and efficacy of the use of the newest bioresorbable scaffold, a polymer “stent”, to open narrowed heart arteries, being one of the first Asian registries to publish the data.

 

Dr Lim’s current key appointments include being the Medical Director of Singapore Heart, Stroke & Cancer Centre and professor in Fudan University. He is also the founding editor of Heart Asia, a journal of the prestigious British Medical Journal (BMJ) Publishing Group. He has been appointed Emeritus President of Asia Pacific Heart Association and is currently the vice-president of both the World Chinese Doctors Association and the World Federation of Chinese Cardiovascular Physicians.

 

More than 70 publications in local, regional and international journals and conferences.  Some of the more recent publications includes:

 

Comparison of the ECG Recordings using a novel mobile ECG recorder(EPI Mini) with a

  clinically validated mobile phone with ECG Recording Function(EPI Life) (Heart 2013)

• Early outcomes and safety of bioresorbable vascular scaffold(BVS) system in an Asian

  population. (Heart 2013)

Comparison of Diagnostic Performance of MR Coronary Angiography with CT Coronary

  Angiography in patients with >50% Coronary Artery stenosis and assess its diagnostic

  accuracy. (Circulation 2012)

• Efficacy and safety of CT-guided Percutaneus Coronary Intervention of Left Main and/or

  Triple vessel Coronary artery disease (Heart 2010)

• Correlation of ECG Findings With Symptoms Of Palpitations Using Novel Multi-Lead Mobile

  Phone ECG (Heart 2010)

• Novel Coagulation Regime Method for CTO Prior To PCI (Heart 2010)

• Prevalence Of Anomalous coronary Arteries (Heart 2010)

• Radiation dosage Comparison Between Different Coronary CT Angiography Protocols

  (Heart 2010)

• CT Coronary Angiography as the Diagnostic Investigation for Significant Coronary Artery

  Disease (Circulation 2010)

• Feasibility & safety of CT guided percutaneous coronary intervention (Circulation 2010)

• Clinical efficacy and long term outcomes of CT guided percutaneous coronary intervention

  (J AM Coll Cardiol 2010)

• Qualitative and quantitative accuracy of a novel multi-lead mobile phone ECG

  (Euro Heart Journal 2010)

• Angiography as the diagnostic investigation for significant coronary artery disease

  (Circulation 2010)

• CT Coronary Angiogram as replacement diagnostic investigation for angioplasty of

  coronary arteries (Circulation 2008)

• Coronary CTA: Is it a safe procedure? (Euro Heart Journal 2007)

• Non-invasive detection of significant coronary artery disease with multi-section computed

  tomography angiography in patients with suspected coronary artery disease (Clinical

  Radiology 2006)

 

Dr. Michael Lim

Medical Director

Senior Consultant Physician / Cardiologist

MBBS, MRCP(UK), M MED(Int Med),

FAMS(Cardiology), FRCP(Edin)

Awards / Honours / Decorations

 

Certificate of Merit, Annual Scientific Sessions of Asia Pacific Heart Association(ASSA) 2013 for being one of the top ten abstracts submitted.

Titled: Comparison of the ECG Recordings using a novel mobile ECG Recorder(EPI Mini) with a clinically validated mobile phone with ECG Recording Function(EPI Life).

 

ASSA Outstanding Physician Award, Annual Scientific Sessions of Asia Pacific Heart Association(ASSA) 2013, given to the top 3 oral presentations.

Titled: Comparison of the ECG Recordings using a novel mobile ECG Recorder(EPI Mini) with a clinically validated mobile phone with ECG Recording Function(EPI Life).

 

CIT Contribution Award, China Interventional Therapeutics (CIT) Beijing China 2008 for recognition of outstanding contribution and continuing dedication to the development of interventional cardiology in China.

 

Top 10 Cited Paper 2006-2008 Clinical Radiology, awarded by Elsevier for the published paper titled: Non-invasive detection of significant coronary artery disease with multi-section computed tomography angiography in patients with suspected coronary artery disease. (Clinical Radiology 2006)

 

International Cooperation Award and Friendship Award, Great Wall International Congress of Cardiology, Beijing China 2007

These awards were given in 2007 in recognition for the work in linking up China’s cardiology community with the rest of the world and his contribution to Cardiology in China.

Dr Nandakumar Ramasami

Senior Consultant Interventional Cardiologist

MRCP (UK), FRCP(Ed), Visiting lnterventional Cardiologist

Ng Teng Fong General Hospital, Singapore Clinical Lecturer,

Yong Loo Lin School of Medicine,

MRCP PACES Examiner (2016)

EX - Associate Program Director

(Dukes/NUS Senior Residency Programme)

Dr Ramasami Nandakumar is one of the few cardiologists in Singapore who has worked as a Consultant Interventional Cardiologist in a substantive position in the UK before coming to Singapore and is doubly accredited in Cardiology and Internal Medicine by the Joint Committee for Higher Medical Training(JCHMT) of the Royal College of Physicians, UK. He is currently also the only cardiologist from Singapore serving as MRCP examiner in the UK,

 

Dr Nandakumar underwent undergraduate medical training in CMC, Coimbatore, TN before taking up further training in Wales and England in 1995. In 1999 having attained the MRCP(UK) he undertook research in Cardiac MRI at the Grampian University Hospitals NHS Trust in Aberdeen, Scotland. He then obtained a National Training Number in Cardiology in the All-Wales Higher Speciality Training Programme in Cardiology with the Welsh Deanery which he completed in 2009. He undertook a JCHMT accredited interventional training program in London under the tutelage of Dr K Beatt and Professor Carlo di Mario (stalwarts of interventional cardiology) during this time. Having completed the CCT in 2009 he subsequently became a consultant Cardiologist in Croydon University Hospitals, London before taking up a substantive consultant post in The North Staffordshire and Goole NHS trust in England.

 

He is currently a Senior Interventional Cardiologist at the Singapore Heart Stroke Cancer Centre working alongside Dr M Lim and is also a Consultant Cardiologist at Mt Elizabeth Hospitals, Mount  Alvernia Hospital and also a Visiting Senior Consultant at Ng Teng Fong Hospital and National University Hospitals.

 

He is currently a member of the HTAC committee for Devices, MOH and also serves as clinical lecturer and faculty of the Yong Loo Lin School of Medicine. He served most recently as Associate Program Director for the Senior Residency Program in Cardiology and as Director of the Cardiac Rehabilitation service in NTFGH.

 

Dr Nandakumar has special interest in interventional cardiology (Radial access), intra-vascular imaging, bio-absorbable stents and CT coronary imaging and cardiac rehabilitation. He also performs renal denervation procedure for resistant hypertension.

 

He has been elected as a Fellow of the Royal College of Physicians(Edinburgh) and the Royal College of Physicians(London). He continues to play an active role in the Royal College  especially in his capacity as MRCP Examiner.

 

He belongs to the pioneer batch of the NTFGH hospital in helping to setup the many cardiac services especially interventional cardiology acting as Director for the interventional cardiac laboratory and also lead of the cardiac rehabilitation services.

 

Dr Nandakumar regularly presents at international conferences and continues to support young cardiologists in training to present at international conferences. He has presented regularly at conferences and was one of the few SpRs to attend as faculty in the European Cardiology conference(Euro-PCR) and has also won second prize in case presentation as an SpR. He continues to teach paramedical staff in NTFGH and also in the region for intravascular imaging and physiology. He continues to publish, as before, in peer reviewed international journals such as PACE, CCI, HEART.

 

 

PUBLICATIONS:

 

• Techniques to enhance Guide Catheter Support (R. Nandakumar and C.Di Mario) Catheterization-and --Cardiovascular Intervention (CCI} October 2008; 72(4): 505-512

• The relationship between Transmural Extent of infarction on contrast enhanced Magnetic Resonance --imaging and recovery of contractile function in patients with first Myocardial Infarction treated with --thrombolysis - Barclay JL, Egred M, Kruszewski K, Nandakumar R, Norton MY, Sirrat C, Redpath TW, --Walton S, Hillis GS, Cardiology 2006 Nov; 108(4): 217-22

• An unusual Obstacle in Lead Extraction, PACE 2004; 27(11): 1576 -77, R Nandakumar & P Broadhurst

--Masquerade- A malignant arrhythmia masquerading as benign, Heart 2003; 90: e2, R Nandakumar & --P Broadhurst

• Diagnostic Dilemmas, CME 2(3): 122-124, R Nandakumar, Channer KS

• Postural Tachycardia Syndrome/ Abstract published in Acta Clinica Belgica 2005:59; 5: 322

• Changing Indications in ICD implantation/ abstract in Acta Clinica Cardiologie 2005

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