William K. Freeman

10.7k total citations · 1 hit paper
74 papers, 5.6k citations indexed

About

William K. Freeman is a scholar working on Cardiology and Cardiovascular Medicine, Surgery and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, William K. Freeman has authored 74 papers receiving a total of 5.6k indexed citations (citations by other indexed papers that have themselves been cited), including 63 papers in Cardiology and Cardiovascular Medicine, 29 papers in Surgery and 23 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in William K. Freeman's work include Cardiac Imaging and Diagnostics (23 papers), Cardiac Valve Diseases and Treatments (23 papers) and Cardiac, Anesthesia and Surgical Outcomes (15 papers). William K. Freeman is often cited by papers focused on Cardiac Imaging and Diagnostics (23 papers), Cardiac Valve Diseases and Treatments (23 papers) and Cardiac, Anesthesia and Surgical Outcomes (15 papers). William K. Freeman collaborates with scholars based in United States, Netherlands and Switzerland. William K. Freeman's co-authors include James B. Seward, A. Jamil Tajik, Bijoy K. Khandheria, William D. Edwards, Joshua A. Beckman, Judy R. Kersten, Hugh Calkins, Kirsten E. Fleischmann, Teresa S.M. Tsang and James B. Froehlich and has published in prestigious journals such as Circulation, SHILAP Revista de lepidopterología and Journal of the American College of Cardiology.

In The Last Decade

William K. Freeman

69 papers receiving 5.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Transesophageal Echocardiography: Technique, Anatomic Correlations, Implementation, and Clinical Applications

1988 651 citations James B. Seward, Bijoy K. Khandheria et al. Mayo Clinic Proceedings profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
William K. Freeman United States	34	4.5k	2.4k	1.6k	1.3k	925	74	5.6k
Sary F. Aranki United States	46	6.3k 1.4×	4.1k 1.7×	2.2k 1.4×	1.8k 1.5×	600 0.6×	185	7.8k
Fausto Biancari Finland	50	4.8k 1.1×	4.6k 1.9×	3.7k 2.3×	1.4k 1.1×	630 0.7×	407	9.0k
Charles J. Mullany United States	48	4.8k 1.1×	3.1k 1.3×	1.7k 1.0×	2.2k 1.8×	633 0.7×	105	7.0k
Joseph M. Craver United States	38	3.4k 0.7×	3.1k 1.3×	946 0.6×	744 0.6×	536 0.6×	95	4.7k
Bruce J. Leavitt United States	38	3.4k 0.8×	2.2k 0.9×	766 0.5×	511 0.4×	392 0.4×	100	5.1k
Ellis L. Jones United States	43	4.1k 0.9×	3.7k 1.6×	1.2k 0.7×	840 0.7×	880 1.0×	139	5.6k
Bruce A. Perler United States	42	3.0k 0.7×	2.8k 1.2×	3.8k 2.3×	1.0k 0.8×	345 0.4×	179	6.2k
Eustachio Agricola Italy	44	7.4k 1.6×	2.9k 1.2×	1.8k 1.1×	2.5k 2.0×	1.9k 2.1×	292	9.6k
John G. Byrne United States	41	4.7k 1.0×	3.8k 1.6×	1.5k 0.9×	1.4k 1.1×	1.1k 1.1×	177	6.8k
Anthony P. Furnary United States	37	2.9k 0.6×	2.8k 1.2×	1.1k 0.7×	1.3k 1.0×	288 0.3×	103	6.8k

Countries citing papers authored by William K. Freeman

Since Specialization

Citations

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

Fields of papers citing papers by William K. Freeman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by William K. Freeman. 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 William K. Freeman. The network helps show where William K. Freeman may publish in the future.

Co-authorship network of co-authors of William K. Freeman

This figure shows the co-authorship network connecting the top 25 collaborators of William K. Freeman. A scholar is included among the top collaborators of William K. Freeman 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 William K. Freeman. William K. Freeman 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

Farina, Juan, Isabel G. Scalia, Timothy Barry, et al.. (2024). Role of Genetics in Diagnosis and Management of Hypertrophic Cardiomyopathy: A Glimpse into the Future. Biomedicines. 12(3). 682–682. 11 indexed citations

Fleischmann, Kirsten E., Joshua A. Beckman, Christopher E. Buller, et al.. (2009). 2009 ACCF/AHA Focused Update on Perioperative Beta Blockade. Journal of the American College of Cardiology. 54(22). 2102–2128. 65 indexed citations

Fleisher, Lee A., Joshua A. Beckman, Kenneth A. Brown, et al.. (2009). 2009 ACCF/AHA Focused Update on Perioperative Beta Blockade Incorporated Into the ACC/AHA 2007 Guidelines on Perioperative Cardiovascular Evaluation and Care for Noncardiac Surgery. Circulation. 120(21). e169–276. 234 indexed citations

Fleischmann, Kirsten E., Joshua A. Beckman, Christopher E. Buller, et al.. (2009). 2009 ACCF/AHA Focused Update on Perioperative Beta Blockade. Circulation. 120(21). 2123–2151. 56 indexed citations

Russo, Antonio, Francesco Grigioni, Jean-François Aviérinos, et al.. (2008). Thromboembolic Complications After Surgical Correction of Mitral Regurgitation. Journal of the American College of Cardiology. 51(12). 1203–1211. 100 indexed citations

Fleisher, Lee A., Joshua A. Beckman, Kenneth A. Brown, et al.. (2007). ACC/AHA 2007 Guidelines on Perioperative Cardiovascular Evaluation and Care for Noncardiac Surgery: Executive Summary. Journal of the American College of Cardiology. 50(17). 1707–1732. 324 indexed citations

Fleisher, Lee A., Joshua A. Beckman, Kenneth A. Brown, et al.. (2007). ACC/AHA 2007 Guidelines on Perioperative Cardiovascular Evaluation and Care for Noncardiac Surgery. Circulation. 116(17). e418–99. 377 indexed citations

Modesto, Karen, Jacob Eifer Møller, William K. Freeman, et al.. (2006). Safety of Exercise Stress Testing in Patients With Abnormal Concentrations of Serum Potassium††Portions of this manuscript were published in abstract form in Circulation 2002;106(suppl):II-437 (used with permission).. The American Journal of Cardiology. 97(8). 1247–1249. 15 indexed citations

Ommen, Steve R., Seong H. Park, Roger L. Click, et al.. (2002). Impact of intraoperative transesophageal echocardiography in the surgical management of hypertrophic cardiomyopathy. The American Journal of Cardiology. 90(9). 1022–1024. 42 indexed citations

10.

Hassan, Imran, Kenton J. Zehr, & William K. Freeman. (2001). A case of asymptomatic thoracic aorta mural thrombi. The Annals of Thoracic Surgery. 72(5). 1735–1737. 15 indexed citations

11.

Connolly, Heidi M., et al.. (2001). Impact of intraoperative transesophageal echocardiography among patients undergoing aortic valve replacement for aortic stenosis. Journal of the American Society of Echocardiography. 14(9). 863–866. 37 indexed citations

12.

Enriquez‐Sarano, Maurice, William K. Freeman, Christophe M Tribouilloy, et al.. (1999). Functional anatomy of mitral regurgitation. Journal of the American College of Cardiology. 34(4). 1129–1136. 118 indexed citations

13.

Tsang, Teresa S.M., William K. Freeman, Lawrence J. Sinak, & James B. Seward. (1998). Echocardiographically Guided Pericardiocentesis: Evolution and State-of-the-Art Technique. Mayo Clinic Proceedings. 73(7). 647–652. 131 indexed citations

14.

Tsang, Teresa S.M., William K. Freeman, Fletcher A. Miller, & James B. Seward. (1998). Teardrop Sign: Echocardiographic Features in Cardiac Herniation. Journal of the American Society of Echocardiography. 11(1). 74–76. 4 indexed citations

15.

Tazelaar, Henry D., et al.. (1995). Intracardiac varices of the right atrium: a case report and review of the literature. International Journal of Cardiology. 48(2). 177–181. 14 indexed citations

16.

Freeman, William K., Hartzell V. Schaff, Bijoy K. Khandheria, et al.. (1992). Intraoperative evaluation of mitral valve regurgitation and repair by transesophageal echocardiography: Incidence and significance of systolic anterior motion. Journal of the American College of Cardiology. 20(3). 599–609. 113 indexed citations

17.

Khandheria, Bijoy K., James B. Seward, Kent R. Bailey, et al.. (1991). Safety of transesophageal echocardiography: Experience with 2070 consecutive procedures. Journal of the American College of Cardiology. 17(2). A20–A20. 15 indexed citations

18.

Freeman, William K., Hartzell V. Schaff, Thomas A. Orszulak, & A.Jamil Tajik. (1990). Ultrasonic aortic valve decalcification: Serial Doppler echocardiographic follow-up. Journal of the American College of Cardiology. 16(3). 623–630. 35 indexed citations

19.

Seward, James B., Bijoy K. Khandheria, William D. Edwards, et al.. (1990). Biplanar Transesophageal Echocardiography: Anatomic Correlations, Image Orientation, and Clinical Applications. Mayo Clinic Proceedings. 65(9). 1193–1213. 257 indexed citations

20.

Shub, Clarence, A.Jamil Tajik, David R. Holmes, et al.. (1990). Doppler echocardiography in aortic stenosis: feasibility and clinical impact. International Journal of Cardiology. 28(1). 57–66. 6 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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