J Nĕmec

1.2k total citations
13 papers, 819 citations indexed

About

J Nĕmec is a scholar working on Cardiology and Cardiovascular Medicine, Radiology, Nuclear Medicine and Imaging and Epidemiology. According to data from OpenAlex, J Nĕmec has authored 13 papers receiving a total of 819 indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Cardiology and Cardiovascular Medicine, 6 papers in Radiology, Nuclear Medicine and Imaging and 4 papers in Epidemiology. Recurrent topics in J Nĕmec's work include Cardiac Imaging and Diagnostics (6 papers), Cardiovascular and Diving-Related Complications (3 papers) and Congenital Heart Disease Studies (3 papers). J Nĕmec is often cited by papers focused on Cardiac Imaging and Diagnostics (6 papers), Cardiovascular and Diving-Related Complications (3 papers) and Congenital Heart Disease Studies (3 papers). J Nĕmec collaborates with scholars based in United States and Czechia. J Nĕmec's co-authors include Ernesto E. Salcedo, Thomas H. Marwick, William J. Stewart, Fredric J. Pashkow, Antoine Lafont, William J. MacIntyre, Marc I. Chimowitz, Ronald Lorig, Delos M. Cosgrove and William G. Hendren and has published in prestigious journals such as Circulation, Journal of the American College of Cardiology and Neurology.

In The Last Decade

J Nĕmec

13 papers receiving 792 citations

Peers

J Nĕmec

CCM

RNMI

SURGE

PRM

EPIDE

Harald Lethen Germany

David E. Guyer United States

Marta Cvijić Slovenia

J D O'Toole United States

Shmuel Rispler Israel

Dale A. Touchstone United States

Hans‐Joachim Nesser Austria

Marcelo Luiz Campos Vieira Brazil

Pohoey Fan United States

Hajo Müller Switzerland

Harald Lethen Germany

J Nĕmec

789 ×1.6

CCM

710 ×1.5

RNMI

220 ×1.2

SURGE

148 ×0.8

PRM

98 ×0.7

EPIDE

Citations per year, relative to J Nĕmec J Nĕmec (= 1×) peers Harald Lethen

Countries citing papers authored by J Nĕmec

Since Specialization

Citations

This map shows the geographic impact of J Nĕmec'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 J Nĕmec with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J Nĕmec more than expected).

Fields of papers citing papers by J Nĕmec

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J Nĕmec. 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 J Nĕmec. The network helps show where J Nĕmec may publish in the future.

Co-authorship network of co-authors of J Nĕmec

This figure shows the co-authorship network connecting the top 25 collaborators of J Nĕmec. A scholar is included among the top collaborators of J Nĕmec 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 J Nĕmec. J Nĕmec is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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13 of 13 papers shown

Bartůněk, Petr, et al.. (1996). [Borrelia burgdorferi as a cause of sick sinus syndrome?].. PubMed. 135(22). 729–31. 7 indexed citations

Marwick, Thomas H., J Nĕmec, Fredric J. Pashkow, William J. Stewart, & Ernesto E. Salcedo. (1992). Accuracy and limitations of exercise echocardiography in a routine clinical setting. Journal of the American College of Cardiology. 19(1). 74–81. 279 indexed citations

Marwick, Thomas H., J Nĕmec, William J. Stewart, & Ernesto E. Salcedo. (1992). Diagnosis of Coronary Artery Disease Using Exercise Echocardiography and Positron Emission Tomography: Comparison and Analysis of Discrepant Results. Journal of the American Society of Echocardiography. 5(3). 231–238. 37 indexed citations

Marwick, Thomas H., J Nĕmec, Antoine Lafont, Ernesto E. Salcedo, & William J. MacIntyre. (1992). Prediction by postexercise fluoro-18 deoxyglucose positron emission tomography of improvement in exercise capacity after revascularization. The American Journal of Cardiology. 69(9). 854–859. 66 indexed citations

Marwick, Thomas H., et al.. (1992). Extent and severity of abnormal left ventricular wall motion detected by exercise echocardiography during painful and silent ischemia. The American Journal of Cardiology. 69(17). 1483–1484. 10 indexed citations

Marwick, Thomas H., William J. MacIntyre, Antoine Lafont, J Nĕmec, & Ernesto E. Salcedo. (1992). Metabolic responses of hibernating and infarcted myocardium to revascularization. A follow-up study of regional perfusion, function, and metabolism.. Circulation. 85(4). 1347–1353. 120 indexed citations

Nĕmec, J, Thomas H. Marwick, Marc I. Chimowitz, et al.. (1991). Detection and Evaluation of Intrapulmonary Vascular Shunt With “Contrast Doppler” Transesophageal Echocardiography. Journal of the American Society of Echocardiography. 4(1). 79–83. 20 indexed citations

Hendren, William G., J Nĕmec, Bruce W. Lytle, et al.. (1991). Mitral valve repair for ischemic mitral insufficiency. The Annals of Thoracic Surgery. 52(6). 1246–1252. 85 indexed citations

Nĕmec, J, et al.. (1991). Comparison of transcranial Doppler ultrasound and transesophageal contrast echocardiography in the detection of interatrial right-to-left shunts. The American Journal of Cardiology. 68(15). 1498–1502. 92 indexed citations

10.

Obarski, Timothy P., Allan L. Klein, J. Bartlett, et al.. (1991). Transesophageal echocardiography in the critical care unit. Cleveland Clinic Journal of Medicine. 58(4). 315–322. 44 indexed citations

11.

Chimowitz, Marc I., J Nĕmec, Thomas H. Marwick, et al.. (1991). Transcranial Doppler ultrasound identifies patients with right‐to‐left cardiac or pulmonary shunts. Neurology. 41(12). 1902–1902. 55 indexed citations

12.

Nĕmec, J. (1983). "It's your baby"!. PubMed. 4(10). 30–2, 34, 36. 2 indexed citations

13.

Nĕmec, J, et al.. (1965). Erythropoietic polyploidy. I. The morphology of polyploid erythroid elements and their incidence in healthy subjects.. PubMed. 84(1). 24–40. 2 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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