Clin Asst Prof Mohammed Rizwan Amanullah

Dr Mohammed Rizwan Amanullah is a Senior Consultant from the Department of Cardiology at National Heart Centre Singapore. His clinical interests are in the field of advanced echocardiography, stress imaging. He is involved in teaching and mentoring of medical students, junior and senior residents.

• FESC, European society of Cardiology, 2025
• FACC, American college of Cardiology, 2025
• FRCP (Edinburg), Royal College of Physicians, Edinburg, 2025
• Advanced Perioperative TEE, National Board of Echocardiography, US, 2018
• ASCeXAM Echocardiography, National Board of Echocardiography, US, 2018
• Cardiology Senior Residency, Singhealth, 2016
• M.Med (Internal Medicine), National University of Singapore, 2012
• MRCP (UK), 2012
• PG Diploma Family Medicine, Christian Medical College, Vellore, 2010
• MBBS, Madras Medical College, Chennai, 2007

• Senior Consultant, Department of Cardiology, National Heart Centre Singapore, March 2022 - Present
• Board member, Chapter of Cardiology, Academy of Medicine Singapore (AMS)
• Treadmill Course Director, Chapter of Cardiology, Academy of Medicine Singapore (AMS)
• Echo Lab Lead, NHCS @ SengKang General Hospital
• Team Choice Trainer for Just Culture Course

• Outstanding Young Fellow Award, AMS Singapore, 2025
• Outstanding Faculty Award, Singhealth, 2024
• You Sparkle! Award Gold, SKH, 2024
• Singapore Health Services Service Quality – SHQSA Silver award, 2024
• You Sparkle! Awards – Silver, SKH, 2023
• Long service award, Singhealth, 2019
• Service Quality Gold Award, 2019
• Long Service Award, 2019
• RISE Award, SingHealth Residency, 2018
• Service Quality Silver Award, 2018
• Service Quality Award – Bronze, NHCS, 2017
• Best Interesting Case Award, 10th Asian Society of Cardiovascular Imaging Congress, Singapore, 2016
• Best Medical Officer Award, CGH, 2012

• Cardiovascular complications in acute dengue infection: a population-based cohort study. Wee LE, Tan WZ, Chow JY, Lim JT, Chiew C, Chia PY, Ng LC, Amanullah MR, Yap J, Yeo KK, Chan MYY, Hausenloy DJ, Leo YS, Lye DC, Tan KB. LANCET REGIONAL HEALTH-WESTERN PACIFIC. Volume 64. DOI10.1016/j.lanwpc.2025.101713. Nov 2025.
• Outcomes of moderate mixed aortic valve stenosis and regurgitation. Pilar Lopez Santi, Jérémy Bernard, Aileen Chua, Dorien Laenens, Andréanne Powers, Kathia Abdoun, Bart J J Velders, Camille Sarrazyn, Paolo Springhetti, Jingnan Zhang, Mohammed R Amanullah, See Hooi Ewe, Kai-Hang Yiu, Meindert Palmen, Jesper Hjortnaes, Philippe Pibarot, Marie-Annick Clavel, Jeroen J Bax, Nina Ajmone Marsan. European Heart Journal, ehaf791, doi: 10.1093/eurheartj/ehaf791. 17 October 2025.
• Transcatheter aortic valve in transcatheter aortic valve: Clinical characteristics and outcomes. Hai Yang Fang, See Hooi Ewe, Mohammed Rizwan Amanullah, Zameer Abdul Aziz, Sivaraj Pillai Govindasamy, Victor Tar Toong Chao, Jonathan Jiunn-Liang Yap, Kay Woon Ho. Letter to the Editor Vol. 54 No. 9, 588–594. DOI: 10.47102/annalsacadmedsg.202542. Sep 2025.
• Clinical Outcomes of Transcatheter Mitral Valve-In-Valve and Valve-In-Ring Implantation: A Systematic Review and Meta-Analysis. Khi Yung Fong, John Ming Yan Koh, Lip Wei Saw, Devy Anggreni, Ethel Zi Xie Ng, Yiong Huak Chan, Karl Poon, Dion Stub, Shih-Hsien Sung, Mann Chandavimol, Michael Kang-Yin Lee, Angus Shing Fung Chui, A B Gopalamurugan, Rajesh Nair, Yingqiang Guo, Mohammed Rizwan Amanullah, Victor Tar Toong Chao, See Hooi Ewe, Kay Woon Ho, Jonathan Yap. Catheter Cardiovasc Interv. 2025 Jan;105(1):219-238. doi: 10.1002/ccd.31299.
• Effectiveness of an online patient education video for TAVI. Koh SJQ, Yap J, Kok CY, Jiang YL, Loo YJ, Ho MWL, Lim YF, Ewe SH, Amanullah MR, Aziz ZA, Govindasamy S, Chao VC, Ho KW. Annals ANNALS ACADEMY OF MEDICINE SINGAPORE. Volume 54, Issue 3, Page 197-199. DOI 10.47102/annals-acadmedsg.2024362. March 2025
• A rare giant atrial septal cardiac blood cyst in an adult: a case report. EHJ 2024. Wei Sheng Jonathan Ong, Yann Shan Keh, Siang Hui Lai, Huan Ying Chang, Mohammed Rizwan Amanullah. Eur Heart J Case Rep. 2024 Aug 21;8(9):ytae439. doi: 10.1093/ehjcr/ytae439.
• Cardiac blood cysts - case report and literature review of a rare entity. Chang, HY, Lai SH, Punjabi LS, Ong WSJ, Keh YS, Amanullah MR. Sep 1, 2024. Virchows Archiv. Volume 485P ageS268-S268 Supplement1.
• Remote intensive management to improve antiplatelet adherence in acute myocardial infarction: a secondary analysis of the randomized controlled IMMACULATE trial. Hui Wen Sim, Karen W. L. Koh, Sock-Cheng Poh, Siew Pang Chan, Stephanie Marchesseau, Devinder Singh, Yiying Han, Faclin Ng, Eleanor Lim, Joseph F. Prabath, Chi-Hang Lee, Ruth Chen, Leonardo Carvalho, Sock-Hwee Tan, Joshua P. Y. Loh, Jack W. C. Tan, Karishma Kuwelker, R. M. Amanullah, Chee-Tang Chin, James W. L. Yip, Choy-Yee Lee, Juvena Gan, Chew-Yong Lo, Hee-Hwa Ho, Derek J. Hausenloy, Bee-Choo Tai, A. Mark Richards & Mark Y. Chan. J Thromb Thrombolysis (2024). https://doi.org/10.1007/s11239-023-02931-6
• Safety and efficacy of cerebral embolic protection in transcatheter aortic valve implantation: an updated meta-analysis. Nicholas Tan, Gao Fei, Mohammed Rizwan Amanullah, Soo Teik Lim, Zameer Abdul Aziz, Sivaraj Govindasamy, Victor Tar Toong Chao, See Hooi Ewe, Kay Woon Ho, Jonathan Yap. AsiaIntervention 2024;10:51-59 | DOI: 10.4244/AIJ-D-23-00022
• Short and Long-term Clinical Outcomes of Balloon-Expandable Versus Self-Expandable Valves in patients undergoing Transcatheter Aortic Valve Replacement: A Meta-Analysis. Jie Jun Wong, Eugene Gan, Fei Gao, Keh Yann Shan, Mohammed Rizwan Amanullah, Lim Soo Teik, Zameer Abdul Aziz, Sivaraj Govindasam, Victor Tar Toong Chao, See Hooi Ewe, Kay Woon Ho, Jonathan Yap. Journal of Asian Pacific Society of Cardiology 2023:2; e41. DOI:https://doi.org/10.15420/japsc.2022.33 (published Nov 2023)
• Network meta-analysis comparing transcatheter, minimally invasive, and conventional surgical aortic valve replacement. Khi Yung Fong, Jonathan J.L Yap, Yiong Huak Chan, See Hooi Ewe, Victr T.T. Chao, Mohammed Rizwan Amanullah, Sivaraj Pillai Govindasamy, Zameer Abdul Aziz, Vern Hsen Tan, Kay Woon Ho. Americal Journal of Cardiology, Volume 195, May 2023.
• Pathophysiologic mechanism for MYOcarditis in COVID-19 VAccinations ("MYOVAx" Study). Tan JY, Chia YW, Chan M, Lim SL, Chin C, Yap J, Richards AM, Teo ZW, Amanullah MR, Peck KH, Choo TLJ, Sim HW, Young BE, Macary P, Yeo KK. EUROPEAN HEART JOURNAL. Volume44Page92-92Supplement1Meeting Abstract. ehac779.07. DOI10.1093/eurheartj/ehac779.075. Feb 2023
• The impact of atrial fibrillation on prognosis in aortic stenosis. Dorien Laenens, Jan Stassen, Xavier Galloo, See Hooi Ewe, Gurpreet K Singh, Mohammed R Ammanullah, Kensuke Hirasawa, Ching-Hui Sia, Steele C Butcher, Nicholas W S Chew, William K F Kong, Kian Keong Poh, Zee P Ding, Nina Ajmone Marsan, Jeroen J Bax. European Heart Journal - Quality of Care and Clinical Outcomes. DOI: 10.1093/ehjqcco/qcad004. Published: 20 January 2023 
• Factors Affecting Rate of Progression of Aortic Stenosis and Its Impact on Outcomes. Mohammed Rizwan Amanullah, Stephen M Pio, Kenny Y K Sin, Nina Ajmone Marsan, Zee Pin Ding, Jan Stassen, Martin B Leon, Philippe Genereux, Victoria Delgado, See Hooi Ewe, Jeroen J Bax. Am J Cardiol. 2022 Dec 15;185:53-62. doi: 10.1016/j.amjcard.2022.09.016. Epub 2022 Oct 11.
• Impact of aortic annular size and valve type on haemodynamics and clinical outcomes after transcatheter aortic valve implantation. Samuel Ji Quan Koh *, Jonathan Yap *, Yilin Jiang, Julian Cheong Kiat Tay, Kevin Kien Hong Quah, Nishanth Thiagarajan, Swee Yaw Tan, Mohammed Rizwan Amanullah, Soo Teik Lim, Zameer Abdul Aziz, Sivaraj Govindasamy, Victor Tar Toong Chao, See Hooi Ewe, Kay Woon Ho. Ann Acad Med Singapore Oct 2022; 51:605-18. https://doi.org/10.47102/annals-acadmedsg.2022167
• Left ventricular remodelling patterns in patients with moderate aortic stenosis. Jan Stassen, See Hooi Ewe, Kensuke Hirasawa, Steele C Butcher, Gurpreet K Singh, Mohammed R Amanullah, Kenny Y K Sin, Zee P Ding, Stephan M Pio, Nicholas W S Chew, Ching Hui Sia, William K F Kong, Kian Keong Poh, David J Cohen, Philippe Généreux, Martin B Leon, Nina Ajmone Marsan, Victoria Delgado, Jeroen J Bax. Eur Heart J Cardiovasc Imaging. 2022 Sep 10;23(10):1326-1335. doi: 10.1093/ehjci/jeac018.
• Prognostic implications of left ventricular diastolic dysfunction in moderate aortic stenosis. Jan Stassen, See Hooi Ewe, Steele C Butcher, Mohammed R Amanullah, Bart J Mertens, Kensuke Hirasawa, Gurpreet K Singh, Kenny Y Sin, Zee Pin Ding, Stephan M Pio, Ching-Hui Sia, Nicholas Chew, William Kong, Kian Keong Poh, David Cohen, Philippe Généreux, Martin B Leon, Nina Ajmone Marsan, Victoria Delgado, Jeroen J Bax. Heart. Sep 2022;108:1401-1407.
• Prevalence and Prognostic Implications of Discordant Grading and Flow-Gradient Patterns in Moderate Aortic Stenosis. Jan Stassen, See Hooi Ewe, Gurpreet K. Singh, Steele C. Butcher, Kensuke Hirasawa, Mohammed R. Amanullah, Stephan M. Pio, Kenny Y.K. Sin, Zee P. Ding, Ching-Hui Sia, Nicholas W.S. Chew, William K.F. Kong, Kian Keong Poh, J Am Coll Cardiol. 2022 Aug, 80 (7) 666–676
• Prevalence and prognostic implications of discordant grading and flow-gradient patterns in moderate aortic stenosis. Stassen J, Ewe S, Singh GK, Amanullah MR, Hirasawa K, Butcher S, Sin KYK, Ding ZP, Sia CH, Chew NWS, Kong WKF, Poh KK, Delgado V, Marsan NA, Bax JJB. Meeting abstract. EUROPEAN HEART JOURNAL. Volume 43, Page1611-1611, Supplement2. Oct 2022
• Sex-Related Differences in Medically Treated Moderate Aortic Stenosis. Jan Stassen, Stephan M. Pio, See Hooi Ewe, Mohammed R. Amanullah, Kensuke Hirasawa, Steele C. Butcher, Gurpreet K. Singh, Kenny Y.K. Sin, Zee P. Ding, Nicholas W.S. Chew, Ching-Hui Sia, William K.F. Kong, Kian Keong Poh, David J. Cohen, Philippe Généreux, Martin B. Leon, Nina Ajmone Marsan, Victoria Delgado, Jeroen J. Bax. The Structural Heart Journal. Open Access Published: June 08, 2022. ORIGINAL RESEARCH| VOLUME 6, ISSUE 3, 100042, JULY 01, 2022. DOI:https://doi.org/10.1016/j.shj.2022.100042
• Moderate aortic stenosis: importance of symptoms and left ventricular ejection fraction. Jan Stassen, See Hooi Ewe, Steele C Butcher, Mohammed R Amanullah, Kensuke Hirasawa, Gurpreet K Singh, Kenny Y K Sin, Zee P Ding, Stephan M Pio, Ching-Hui Sia, Nicholas W S Chew, William K F Kong, Kian Keong Poh, David J Cohen, Philippe Généreux, Martin B Leon, Nina Ajmone Marsan, Victoria Delgado, Jeroen J Bax. Eur Heart J Cardiovasc Imaging. 2022 Jun 1;23(6):790-799. doi: 10.1093/ehjci/jeab242. PMID: 34864942 DOI: 10.1093/ehjci/jeab242.
• Clinical outcomes of the Balloon-expandable Vs. Self-expandable valves in patients undergoing transcatheter aortic valve replacement -a meta-analysis. Eugene Gan, Yann Shan Keh, Gao Fei, See Hooi Ewe, Mohammed Rizwan Amanullah, Victor Chao, Soo Teik Lim, Kay Woon Ho, and Jonathan Yap. J Am Coll Cardiol. 2022 Mar, 79 (9_Supplement) 685.
• Prognostic value of left ventricular ejection fraction and symptom severity in patients with moderate aortic stenosis. J Stassen, S C Butcher, K Hirasawa, G K Singh, S M Pio, M R Amanullah, N Chew, S H Ewe, W Kong, D J Cohen, P Genereux, M B Leon, N A Marsan, V Delgado, J J Bax. European Heart Journal, Volume 42, Issue Supplement_1, October 2021, ehab724.1570, https://doi.org/10.1093/eurheartj/ehab724.1570
• Prognostic Implications of Associated Cardiac Abnormalities Detected on Echocardiography in Patients With Moderate Aortic Stenosis. Mohammed Rizwan Amanullah, Stephan Milhorini Pio, Arnold C T Ng, Kenny Y K Sin, Nina Ajmone Marsan, Zee Pin Ding, Martin B Leon, Philippe Généreux, Victoria Delgado, See Hooi Ewe, Jeroen J Bax. JACC Cardiovasc Imaging. 2021 Sep;14(9):1724-1737.doi: 10.1016/j.jcmg.2021.04.009. Epub 2021 May 19.
• Predicting premature termination of exercise during Bruce protocol stress echocardiography.
  Loh, J; Amanullah, MR; See, CK; Tang, HC; Gunasegaran, K; Hamid, N; Lau, J; Lee, CY; Ewe, SH; Ding, ZP; Sahlen, A. ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES. 2021. DOI: 10.1111/echo.15186
• Discordant severity criteria in patients with moderate aortic stenosis: prognostic implications
  Pio, SM; Amanullah, MR; Butcher, SC; Sin, KY; Marsan, NA; Pibarot P; Van Mieghem, NM; Ding, ZP; Genereux, P; Leon, MB; Ewe, SH; Delgado, V; Bax, JJ. 2021. DOI: 10.1136/openhrt-2021-001639
• Impact of Chronic Kidney Disease on Outcomes in Transcatheter Aortic Valve Implantation. Yap, JJL; Tay, JCK; Ewe, SH; Thiagarnjan, N; Chia; Amanullah, MR; Lim, ST; Chao, VTT; Ho, KW. ANNALS ACADEMY OF MEDICINE SINGAPORE. Volume: 49 Issue: 5 Pages: 273-284. Published: MAY 2020
• E/e' in relation to outcomes in ST-elevation myocardial infarction. Tai, SB; Lau, WR; Gao, F; Hamid, N; Amanullah, MR; Fam, JM; Yap, J; Ewe, SH; Chan, MY; Yeo, KK; Ding, ZP; Sahlen, A. ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES. Volume: 37 Issue: 4 Pages: 554-560. DOI: 10.1111/echo.14652. Published: APR 2020
• Remote Post-Discharge Management of Patients with Acute Myocardial Infarction and 1 Elevated NT-pro-B-type Natriuretic Peptide by Allied Health Practitioners. The IMMACULATE Randomized Clinical Trial. Mark Y. Chan, Karen WL Koh, Sock-Cheng Poh, Stephanie Marchesseau, Devinder Singh, Yiying Han, Faclin Ng, RN, Eleanor Lim, Joseph F. Prabath, Lee Chi-Hang Ronald, Hui-Wen Sim, Ruth Chen, Leonardo Carvalho, Sock-Hwee Tan, Joshua PY Loh, Jack WC Tan, Karishma Kuwelker, RM Amanullah, Chee-Tang Chin, James WL Yip, Choy-Yee Lee, Juvena Gan, Chew-Yong Lo, M, Hee-Hwa Ho, Derek J. Hausenloy, Bee-Choo Tai, and A. Mark Richards, for the IMMACULATE Investigators. JAMA CARDIOLOGY. Volume: 6 Issue: 7 Pages: 830-835. DOI: 10.1001/jamacardio.2020.6721. Published: JUL 2021. Early Access: DEC 2020
• Staging Cardiac Damage in Patients With Symptomatic Aortic Valve Stenosis. Vollema, EM; Amanullah, MR; Ng, ACT; van der Bijl, P; Prevedello, F; Sin, YK; Prihadi, EA; Marsan, NA; Ding, ZP; Genereux, P; Pibarot, P; Leon, MB; Narula, J; Ewe, SH; Delgado, V; Bax, JJ. JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY. Volume: 74 Issue: 4 Pages: 538-549
  DOI: 10.1016/j.jacc.2019.05.048. Published: JUL 30 2019
• First Percutaneous Tricuspid Valve Repair with MitraClip Device in Singapore. Yeo, KK; Wong, N; Phua, GC; Amanullah, MR; Foo, JS; Teo, LLY; Ewe, SH. ANNALS ACADEMY OF MEDICINE SINGAPORE. Volume: 48 Issue: 4 Pages: 129-132. Published: APR 2019.
• Allometric Relationships for Cardiac Size and Longitudinal Function in Healthy Chinese Adults -Normal Ranges and Clinical Correlates. Seng, MCH; Shen, XY; Wang, KJ; Chong, DTT; Fam, JM; Hamid, N; Amanullah MR; Yeo, KK; Ewe, SH; Chua, TSJ; Ding, ZP; Sahlen, A. CIRCULATION JOURNAL. Volume: 82 Issue: 7 Pages: 1836-+ DOI: 10.1253/circj.CJ-18-0134. Published: JUL 2018.
• PANBESY-INDUCED CORONARY VASOSPASM. Amanullah, MR; Tong, KL. SINGAPORE MEDICAL JOURNAL. Volume: 58 Issue: 9 Pages: 569-570. DOI: 10.11622/smedj.2017014. Published: SEP 2017.
• Impact of aortic root size on left ventricular afterload and stroke volume. Sahlen, A; Hamid, N; Amanullah, MR; Fam, JM; Yeo, KK; Lau, YH; Lam, CSP; Ding, ZP. EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY. Volume: 116 Issue: 7 Pages: 1355-1365DOI: 10.1007/s00421-016-3392-0. Published: JUL 2016. Document Type: Article
• Emerging pathogen: Leuconostoc Bacteremia. Haresh Tulsidas, Amanullah Mohammed Rizwan. SGH Proceedings January 2009; 18(3)