S. Ramkumar

803 total citations
23 papers, 569 citations indexed

About

S. Ramkumar is a scholar working on Cardiology and Cardiovascular Medicine, Surgery and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, S. Ramkumar has authored 23 papers receiving a total of 569 indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Cardiology and Cardiovascular Medicine, 10 papers in Surgery and 5 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in S. Ramkumar's work include Cardiovascular Function and Risk Factors (7 papers), Cardiac Imaging and Diagnostics (5 papers) and Atrial Fibrillation Management and Outcomes (4 papers). S. Ramkumar is often cited by papers focused on Cardiovascular Function and Risk Factors (7 papers), Cardiac Imaging and Diagnostics (5 papers) and Atrial Fibrillation Management and Outcomes (4 papers). S. Ramkumar collaborates with scholars based in Australia and United Kingdom. S. Ramkumar's co-authors include Ajay Raghunath, Thomas H. Marwick, Martin Richardson, Leah Wright, Kazuaki Negishi, Hong Yang, Mark Nolan, Hiroshi Kawakami, Tomoko Negishi and Ying Wang and has published in prestigious journals such as Circulation, European Heart Journal and The American Journal of Cardiology.

In The Last Decade

S. Ramkumar

19 papers receiving 562 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
S. Ramkumar Australia	10	239	230	94	84	66	23	569
Pyung Chun Oh South Korea	14	268 1.1×	229 1.0×	100 1.1×	80 1.0×	57 0.9×	62	631
Guiomar Mendieta Spain	17	308 1.3×	170 0.7×	77 0.8×	57 0.7×	149 2.3×	54	723
J.‐C. Tardif Canada	11	318 1.3×	197 0.9×	37 0.4×	56 0.7×	43 0.7×	24	493
Bert D. Dikkeschei Netherlands	14	246 1.0×	289 1.3×	81 0.9×	122 1.5×	87 1.3×	23	650
Hsueh‐Wei Yen Taiwan	18	393 1.6×	196 0.9×	103 1.1×	124 1.5×	104 1.6×	75	826
Songbai Deng China	17	337 1.4×	272 1.2×	50 0.5×	65 0.8×	157 2.4×	44	702
Lucjan Pawlicki Poland	15	202 0.8×	154 0.7×	105 1.1×	34 0.4×	94 1.4×	67	685
Madhan Shanmugasundaram United States	12	317 1.3×	178 0.8×	43 0.5×	58 0.7×	120 1.8×	28	553
Lucia Ilaria Birtolo Italy	11	374 1.6×	155 0.7×	61 0.6×	124 1.5×	128 1.9×	45	648
Svetlana Moșteoru Romania	6	78 0.3×	199 0.9×	59 0.6×	41 0.5×	49 0.7×	13	378

Countries citing papers authored by S. Ramkumar

Since Specialization

Citations

This map shows the geographic impact of S. Ramkumar's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by S. Ramkumar with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites S. Ramkumar more than expected).

Fields of papers citing papers by S. Ramkumar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by S. Ramkumar. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by S. Ramkumar. The network helps show where S. Ramkumar may publish in the future.

Co-authorship network of co-authors of S. Ramkumar

This figure shows the co-authorship network connecting the top 25 collaborators of S. Ramkumar. A scholar is included among the top collaborators of S. Ramkumar based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with S. Ramkumar. S. Ramkumar is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Tan, Sean, et al.. (2024). Immunotherapy-mediated myocarditis and concurrent vasospastic angina in a patient with established ischaemic heart disease: a case report. European Heart Journal - Case Reports. 8(12). ytae620–ytae620.

Tan, Sean, William R. Mulley, Kevan R. Polkinghorne, et al.. (2022). Prognostic Value of Exercise Capacity in Kidney Transplant Candidates. Journal of the American Heart Association. 11(12). e025862–e025862.

Ramkumar, S., Hong Yang, Mark Nolan, et al.. (2021). The importance of calibration method in determining the association between central blood pressure with left ventricular and left atrial strain. International journal of cardiac imaging. 38(3). 589–600. 2 indexed citations

Ramkumar, S., et al.. (2021). Pyopneumopericarditis from a gastropericardial fistula: a case report. European Heart Journal - Case Reports. 5(11). ytab408–ytab408. 2 indexed citations

Ramkumar, S., et al.. (2020). Differences in rates of percutaneous coronary intervention, cardiac surgery and all-cause mortality in indigenous and non-indigenous Australians with suspected acute coronary events. European Heart Journal. 41(Supplement_2).

Ramkumar, S., et al.. (2020). 034 Differences in Rates of Percutaneous Coronary Intervention, Cardiac Surgery and All-Cause Mortality in Indigenous and Non-Indigenous Australians With Suspected Acute Coronary Events. Heart Lung and Circulation. 29. S53–S53.

Ramkumar, S., et al.. (2020). Coronary artery ectasia presenting with ST-elevation myocardial infarction in a young indigenous man: a case report. European Heart Journal - Case Reports. 4(5). 1–5. 3 indexed citations

Wong, Chiew, et al.. (2019). Left Atrial Strain Performance and its Application in Clinical Practice. JACC. Cardiovascular imaging. 12(6). 1093–1101. 18 indexed citations

Kawakami, Hiroshi, S. Ramkumar, Mark Nolan, et al.. (2019). Left Atrial Mechanical Dispersion Assessed by Strain Echocardiography as an Independent Predictor of New-Onset Atrial Fibrillation: A Case-Control Study. Journal of the American Society of Echocardiography. 32(10). 1268–1276.e3. 45 indexed citations

10.

Kawakami, Hiroshi, S. Ramkumar, Faraz Pathan, Leah Wright, & Thomas H. Marwick. (2019). Use of echocardiography to stratify the risk of atrial fibrillation: comparison of left atrial and ventricular strain. European Heart Journal - Cardiovascular Imaging. 21(4). 399–407. 34 indexed citations

11.

Ramkumar, S., Ying Wang, Nicholas D’Elia, et al.. (2017). Abstract 14994: Association Between Low Socio-Economic Status and Risk of Incident Atrial Fibrillation. Circulation. 1 indexed citations

12.

Ramkumar, S., Hong Yang, Ying Wang, et al.. (2017). Association of the Active and Passive Components of Left Atrial Deformation with Left Ventricular Function. Journal of the American Society of Echocardiography. 30(7). 659–666. 53 indexed citations

13.

Rashid, Hashrul, Robert Gooley, Liam McCormick, et al.. (2016). Safety and efficacy of valve repositioning during transcatheter aortic valve replacement with the Lotus Valve System. Journal of Cardiology. 70(1). 55–61. 11 indexed citations

14.

Ramkumar, S., Hong Yang, Ying Wang, et al.. (2016). Relation of Functional Status to Risk of Development of Atrial Fibrillation. The American Journal of Cardiology. 119(4). 572–578. 2 indexed citations

15.

Zaman, Sarah, Liam McCormick, Robert Gooley, et al.. (2016). Incidence and predictors of permanent pacemaker implantation following treatment with the repositionable Lotus™ transcatheter aortic valve. Catheterization and Cardiovascular Interventions. 90(1). 147–154. 25 indexed citations

16.

Ramkumar, S., et al.. (2016). Statin Therapy: Review of Safety and Potential Side Effects.. PubMed. 32(6). 631–639. 267 indexed citations

17.

Ramkumar, S. & Ann Wilson. (2015). Statins: Review of safety and potential side effects. Heart Lung and Circulation. 24. S190–S190. 1 indexed citations

18.

Ramkumar, S., et al.. (2010). Cytogenetic analysis of the pathology of frozen shoulder. International Journal of Shoulder Surgery. 4(3). 75–75. 72 indexed citations

19.

Ramkumar, S., V. Narayanan, & Hamish Laing. (2006). Twenty-four hours or 10 days? A prospective randomised controlled trial in children comparing head bandages following pinnaplasty. Journal of Plastic Reconstructive & Aesthetic Surgery. 59(9). 969–974. 9 indexed citations

20.

Ramkumar, S., et al.. (2000). Severe Extensor Tendon Attrition and Multiple Tendon Ruptures Resulting From Kienböckʼs Disease. Annals of Plastic Surgery. 45(6). 647–650. 9 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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