Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

M. Namasivayam · SciRah

Researcher profile · Semantic Scholar

M. Namasivayam

Share profile

M. Namasivayam — researcher profile on SciRah

h-index: 17
Works: 119
Citations: 1,151

Most-cited papers

Impaired Exercise Tolerance in Heart Failure with Preserved Ejection Fraction: Quantification of Multi-Organ System Reserve Capacity
M. Nayor, N. Houstis, M. Namasivayam, J. Rouvina +5 more
2020JACC. Heart failure102 citations Open access
Semantic Scholar
Transvalvular Flow Rate Determines Prognostic Value of Aortic Valve Area in Aortic Stenosis
M. Namasivayam, Wei He, T. Churchill, R. Capoulade +7 more
2020Journal of the American College of Cardiology95 citations Open access
Semantic Scholar
Echocardiographic Features of COVID-19 Illness and Association with Cardiac Biomarkers
T. Churchill, P. Bertrand, S. Bernard, M. Namasivayam +5 more
2020Journal of the American Society of Echocardiography66 citations Open access
Semantic Scholar
Agitated Saline Contrast Echocardiography in the Identification of Intra- and Extracardiac Shunts: Connecting the Dots.
S. Bernard, T. Churchill, M. Namasivayam, P. Bertrand
2020Journal of the American Society of Echocardiography65 citations
Semantic Scholar
Prognostic importance of the transmitral pressure gradient in mitral annular calcification with associated mitral valve dysfunction.
P. Bertrand, T. Churchill, E. Yucel, M. Namasivayam +8 more
2020European Heart Journal52 citations Open access
Semantic Scholar
Arterial stiffness and vascular load in HFpEF: Differences among women vs men
Emily S. Lau, Lindsay G. Panah, E. Zern, Elizabeth E. Liu +9 more
2021Journal of Cardiac Failure44 citations Open access
Semantic Scholar
Exercise intolerance in HFpEF: arterial stiffness and abnormal left ventricular hemodynamic responses during exercise
E. Zern, J. Ho, Lindsay G. Panah, Emily S. Lau +9 more
2021Journal of Cardiac Failure22 citations Open access
Semantic Scholar
Strain assessment in aortic stenosis: pathophysiology and clinical utility.
Thomas Meredith, David Roy, C. Hayward, M. Feneley +3 more
2023Journal of the American Society of Echocardiography20 citations
Semantic Scholar
The tricuspid valve in review: anatomy, pathophysiology and echocardiographic assessment with focus on functional tricuspid regurgitation
E. Yucel, P. Bertrand, Jessica L Churchill, M. Namasivayam
2020Journal of Thoracic Disease20 citations Open access
Semantic Scholar
Direct planimetry of the left ventricular outflow tract area by simultaneous biplane imaging: Challenging the need for a circular assumption of the left ventricular outflow tract in the assessment of aortic stenosis
Shiying Liu, Jessica L Churchill, Lanqi Hua, Xin Zeng +9 more
2020Journal of the American Society of Echocardiography18 citations Open access
Semantic Scholar
Exercise Blood Pressure in Heart Failure With Preserved and Reduced Ejection Fraction
M. Namasivayam, Emily S. Lau, E. Zern, Mark W. Schoenike +13 more
2022JACC. Heart failure17 citations Open access
Semantic Scholar
Identifying Aortic Stenosis with a Single Parasternal Long Axis Video using Deep Learning.
Wangzhi Dai, H. Nazzari, M. Namasivayam, J. Hung +1 more
2022Journal of the American Society of Echocardiography17 citations Open access
Semantic Scholar
Reflections on Echocardiography in Pulmonary Embolism-Literally and Figuratively.
S. Bernard, M. Namasivayam, D. Dudzinski
2019Journal of the American Society of Echocardiography17 citations
Semantic Scholar
Non-Invasive Quantification of Ventricular Contractility, Arterial Elastic Function and Ventriculo-Arterial Coupling from a Single Diagnostic Encounter Using Simultaneous Arterial Tonometry and Magnetic Resonance Imaging
M. Namasivayam, A. Adji, Linda Lin, C. Hayward +4 more
2020Cardiovascular Engineering and Technology16 citations
Semantic Scholar
Different Effects of Vascular Aging on Ischemic Predisposition in Healthy Men and Women
M. Namasivayam, C. McEniery, I. Wilkinson, Yasmin +4 more
2018HYPERTENSION16 citations Open access
Semantic Scholar
Predicting outcomes in patients with aortic stenosis using machine learning: the Aortic Stenosis Risk (ASteRisk) score
M. Namasivayam, P. Myers, J. Guttag, R. Capoulade +4 more
2022Open Heart15 citations Open access
Semantic Scholar
A novel method to assess valvulo-arterial load in patients with aortic valve stenosis
S. Hungerford, A. Adji, N. Bart, Linda Lin +6 more
2020Journal of Hypertension14 citations
Semantic Scholar
Improved right ventricular function following transapical transcatheter mitral valve implantation for severe mitral regurgitation
S. Hungerford, N. Bart, P. Jansz, S. Kay +6 more
2020International Journal of Cardiology: Heart & Vasculature10 citations Open access
Semantic Scholar
Sex Differences In Extensive Mitral Annular Calcification With Associated Mitral Valve Dysfunction
T. Churchill, E. Yucel, S. Bernard, M. Namasivayam +10 more
2023American Journal of Cardiology9 citations Open access
Semantic Scholar
Utility of Left and Right Ventricular Strain in Arrhythmogenic Right Ventricular Cardiomyopathy: A Prospective Multicenter Registry
M. Namasivayam, P. Bertrand, Samuel Bernard, T. Churchill +8 more
2023Circulation Cardiovascular Imaging8 citations
Semantic Scholar
First Evaluation of Acute Left Ventricular Response to Off-Pump Transcatheter Mitral Valve Replacement in High-Risk Patients.
M. Namasivayam, M. Feneley, C. Hayward, Marty Shaw +3 more
2018JACC: Cardiovascular Interventions8 citations Open access
Semantic Scholar
Tricuspid Regurgitation After Heart Transplantation: The Cause or the Result of Graft Dysfunction?
N. Bart, S. Hungerford, M. Namasivayam, E. Granger +8 more
2023Transplantation7 citations
Semantic Scholar
Flow Rate in Aortic Stenosis: Clinical Tool, Hemodynamic Insight, or Both?
M. Namasivayam, M. Picard
2020Journal of the American Society of Echocardiography7 citations
Semantic Scholar
Right Ventricular Function and Afterload Following Novel Transcatheter Tricuspid Valve Replacement
H. Kempton, M. Namasivayam, Thomas Meredith, Marty Shaw +2 more
2025JACC Case Reports6 citations
Semantic Scholar
Ventricular-Vascular Coupling Ratio Is the Ejection Fraction in Disguise.
M. Namasivayam, C. Hayward, David W. M. Muller, A. Jabbour +1 more
2019Journal of the American Society of Echocardiography6 citations Open access
Semantic Scholar
Impact of Pulmonary Hypertension on Outcomes in Patients With Mitral Annular Calcium and Associated Mitral Valve Dysfunction.
S. Deferm, P. Bertrand, E. Yucel, S. Bernard +8 more
2022American Journal of Cardiology5 citations
Semantic Scholar
Machine Learning in Cardiac Imaging: Exploring the Art of Cluster Analysis.
M. Namasivayam
2021Journal of the American Society of Echocardiography5 citations
Semantic Scholar
Takotsubo cardiomyopathy: an extreme in the cardiovascular continuum?
M. O'Rourke, M. Namasivayam, A. Adji
2019Journal of Hypertension5 citations Open access
Semantic Scholar
Primary percutaneous coronary intervention for inferior ST‐segment elevation myocardial infarction in a patient supported by the HeartWare left ventricular assist device
R. Spina, M. Siriwardena, N. Bart, M. Namasivayam +6 more
2017Internal medicine journal (Print)5 citations
Semantic Scholar
Machine learning cluster analysis identifies increased 12-month mortality risk in transcatheter aortic valve replacement recipients
Thomas Meredith, Farhan Mohammed, Amy Pomeroy, S. Barbieri +8 more
2025Frontiers in Cardiovascular Medicine4 citations Open access
Semantic Scholar
Aortic valve leaflet motion for diagnosis and classification of aortic stenosis using single view echocardiography
Thomas Meredith, Farhan Mohammed, Amy Pomeroy, S. Barbieri +8 more
2025Journal of Cardiovascular Imaging4 citations
Semantic Scholar
Left ventricular assist device after percutaneous mitral valve repair: Can we go there?
P. Bertrand, M. Namasivayam
2019International Journal of Cardiology4 citations
Semantic Scholar
The Role of Heart Rate in Diastolic Coronary Perfusion and Subclinical Myocardial Ischemia.
M. Namasivayam, M. McCready, A. Adji, M. O'Rourke
2017Journal of the American College of Cardiology4 citations Open access
Semantic Scholar
The influence of transcatheter aortic valve replacement on left atrial mechanics: a systematic review and meta-analysis
Thomas Meredith, Lauren Brown, Farhan Mohammed, Amy Pomeroy +5 more
2023medRxiv3 citations Open access
Semantic Scholar
Pulsatile energy consumption as a surrogate marker for vascular afterload improves with time post transcatheter aortic valve replacement in patients with aortic stenosis
N. Song, A. Adji, S. Hungerford, M. Namasivayam +3 more
2022Hypertension Research3 citations Open access
Semantic Scholar
The Artifact that Tells the Truth: Color Doppler Splay Unmasking Significant Mitral Regurgitation
P. Bertrand, Y. Nagata, M. Namasivayam, R. Levine
2020Journal of the American Society of Echocardiography3 citations Open access
Semantic Scholar
Advanced Imaging Using Cardiac Magnetic Resonance Imaging and Three-Dimensional Echocardiography of Tendyne Valve Implantation
Linda Lin, M. Namasivayam, David W. M. Muller, C. Holloway
20183 citations
Semantic Scholar
Low flow state masks true arterial stiffness on pulse wave analysis in patients with severe aortic stenosis.
Ning Song, S. Hungerford, M. Namasivayam, A. Jabbour +3 more
2025Journal of Hypertension2 citations
Semantic Scholar
A Clinician’s Guide to the Changing Aortic Stenosis Landscape: Updates in Aortic Stenosis Diagnosis, Surveillance and Management
Thomas Meredith, David Roy, D. Muller, M. Namasivayam
2023Current Treatment Options in Cardiovascular Medicine2 citations Open access
Semantic Scholar
Machine learning prediction of progressive subclinical myocardial dysfunction in moderate aortic stenosis
M. Namasivayam, T. Meredith, David W. M. Muller, D. Roy +4 more
2023Frontiers in Cardiovascular Medicine2 citations Open access
Semantic Scholar
Updates to a Modern Dilemma: a Practical Approach to the Workup and Management of Low-Gradient Severe Aortic Stenosis Using Transvalvular Flow Rate
M. Namasivayam, T. Churchill, J. Dal-Bianco, J. Hung
2020Current Treatment Options in Cardiovascular Medicine2 citations
Semantic Scholar
NON-INVASIVE “GOLD STANDARD” ASSESSMENT OF VENTRICULO-ARTERIAL FUNCTION USING SIMULTANEOUS CARDIOVASCULAR MAGNETIC RESONANCE IMAGING AND ARTERIAL TONOMETRY: EVALUATION OF LEFT VENTRICULAR PRESSURE-VOLUME AND AORTIC PRESSURE-FLOW RELATIONSHIPS
M. Namasivayam, A. Adji, Linda Lin, C. Hayward +4 more
20182 citations Open access
Semantic Scholar
Delay and Attrition in Severe Aortic Stenosis: A Four-Checkpoint Systematic Review of Pathway Bottlenecks and Interventions.
Nicholas Fanous, N. Zubrzycki, Lachlan Weir, Farhan Mohammed +9 more
2026European Heart Journal - Quality of Care and Clinical Outcomes1 citations Open access
Semantic Scholar
Low-flow Low-gradient Aortic Stenosis: Foundations, Challenges, and Solutions
Lachlan Weir, Thomas Meredith, C. Hayward, D. Muller +2 more
2025Current Treatment Options in Cardiovascular Medicine1 citations Open access
Semantic Scholar
State-of-the-Art in Echocardiographic Strain Imaging of Arrhythmogenic Cardiomyopathy
Thomas Meredith, Michael H. Picard, T. Churchill, Samuel Bernard +3 more
2025Journal of the American Society of Echocardiography1 citations Open access
Semantic Scholar
Severe Mitral Regurgitation in Paradoxical Low-Flow, Low-Gradient Severe Aortic Stenosis
Shani Dahan, Jacob P. Dal-Bianco, Y. Plakht, M. Namasivayam +7 more
2025Circulation Cardiovascular Imaging1 citations Open access
Semantic Scholar
Combined Value of Dimensionless Index and Transvalvular Flow Rate in Risk Stratification of Aortic Stenosis
M. Namasivayam, T. Churchill, R. Capoulade, P. Pibarot +4 more
2023American Journal of Cardiology1 citations Open access
Semantic Scholar
DIMENSIONLESS INDEX COMPLEMENTS TRANSVALVULAR FLOW RATE IN SOLVING DISCORDANT LOW GRADIENT AORTIC STENOSIS
M. Namasivayam, T. Churchill, R. Capoulade, P. Pibarot +4 more
2022Journal of the American College of Cardiology1 citations Open access
Semantic Scholar
Progression of aortic stenosis with bicuspid aortic valves: evidence and intuition.
M. Namasivayam, J. Dal-Bianco
2020European Heart Journal-Cardiovascular Imaging1 citations
Semantic Scholar
The Usefulness of Cardiovascular Magnetic Resonance in the Assessment of Patients Before Pacemaker Implantation.
Y. Situ, Linda Lin, S. Emmanuel, R. Subbiah +5 more
2020JACC Cardiovascular Imaging1 citations Open access
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

T. Churchill×12
Invite
T. Churchill — researcher profile on SciRah
J. Hung×9
Invite
J. Hung — researcher profile on SciRah
Thomas Meredith×9
Invite
Thomas Meredith — researcher profile on SciRah
C. Hayward×9
Invite
C. Hayward — researcher profile on SciRah

×8

Invite

M. Picard — researcher profile on SciRah

Invite

P. Bertrand — researcher profile on SciRah

Invite

A. Adji — researcher profile on SciRah

David W. M. Muller×8

Invite

David W. M. Muller — researcher profile on SciRah

Invite

R. Levine — researcher profile on SciRah

Invite

A. Jabbour — researcher profile on SciRah

Invite

S. Bernard — researcher profile on SciRah

Invite

David Roy — researcher profile on SciRah