L Hegrenaes

747 total citations · 1 hit paper
7 papers, 592 citations indexed

About

L Hegrenaes is a scholar working on Cardiology and Cardiovascular Medicine, Pulmonary and Respiratory Medicine and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, L Hegrenaes has authored 7 papers receiving a total of 592 indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Cardiology and Cardiovascular Medicine, 2 papers in Pulmonary and Respiratory Medicine and 2 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in L Hegrenaes's work include Cardiac Imaging and Diagnostics (2 papers), Cardiac Valve Diseases and Treatments (2 papers) and Phonocardiography and Auscultation Techniques (2 papers). L Hegrenaes is often cited by papers focused on Cardiac Imaging and Diagnostics (2 papers), Cardiac Valve Diseases and Treatments (2 papers) and Phonocardiography and Auscultation Techniques (2 papers). L Hegrenaes collaborates with scholars based in Norway. L Hegrenaes's co-authors include Liv Hatle, Terje Skjærpe, Stein Samstad, Frederic Kontny, Jeremy Dale, Rune Wiseth, Ole Rossvoll and Ulrik Abildgaard and has published in prestigious journals such as Circulation, European Heart Journal and The American Journal of Cardiology.

In The Last Decade

L Hegrenaes

7 papers receiving 571 citations

Hit Papers

Noninvasive estimation of valve area in patients with aor... 1985 2026 1998 2012 1985 100 200 300 400
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.

  1. Noninvasive estimation of valve area in patients with aortic stenosis by Doppler ultrasound and two-dimensional echocardiography.
    1985 451 citations Terje Skjærpe, L Hegrenaes et al. Circulation profile →

Peers

L Hegrenaes
Steve S. Lin United States
Anthony N. DeMaria United States
Kevin L. Sublett United States
Louis A. Nassef United States
William D. McCann United States
J. Michael Haering United States
Kikuko Obase Japan
Louis J. Dell’Italia United States
David E. Leeman United States
Maurizio Cappelli Bigazzi Italy
Steve S. Lin United States
L Hegrenaes
Citations per year, relative to L Hegrenaes L Hegrenaes (= 1×) peers Steve S. Lin

Countries citing papers authored by L Hegrenaes

Since Specialization
Citations

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

Fields of papers citing papers by L Hegrenaes

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of L Hegrenaes

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

All Works

7 of 7 papers shown
1.
2.
Kontny, Frederic, et al.. (1993). Adverse effect of warfarin in acute myocardial infarction: increased left ventricular thrombus formation in patients not treated with high-dose heparin. European Heart Journal. 14(8). 1040–1043. 11 indexed citations
3.
Wiseth, Rune, L Hegrenaes, Ole Rossvoll, Terje Skjærpe, & Liv Hatle. (1991). Validity of an early postoperative baseline Doppler recording after aortic valve replacement. The American Journal of Cardiology. 67(9). 869–872. 14 indexed citations
4.
Samstad, Stein, L Hegrenaes, Terje Skjærpe, & Liv Hatle. (1989). Half time of the diastolic aortoventricular pressure difference by continuous wave Doppler ultrasound: a measure of the severity of aortic regurgitation?. Heart. 61(4). 336–343. 27 indexed citations
5.
Hegrenaes, L & Liv Hatle. (1985). Aortic stenosis in adults. Non-invasive estimation of pressure differences by continuous wave Doppler echocardiography.. Heart. 54(4). 396–404. 67 indexed citations
6.
Skjærpe, Terje, L Hegrenaes, & Liv Hatle. (1985). Noninvasive estimation of valve area in patients with aortic stenosis by Doppler ultrasound and two-dimensional echocardiography.. Circulation. 72(4). 810–818. 451 indexed citations breakdown →
7.

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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Steve S. Lin Breakdown of academic impact, for papers by Anthony N. DeMaria Breakdown of academic impact, for papers by Kevin L. Sublett Breakdown of academic impact, for papers by Louis A. Nassef Breakdown of academic impact, for papers by William D. McCann Breakdown of academic impact, for papers by J. Michael Haering Breakdown of academic impact, for papers by Kikuko Obase Breakdown of academic impact, for papers by Louis J. Dell’Italia Breakdown of academic impact, for papers by David E. Leeman Breakdown of academic impact, for papers by Maurizio Cappelli Bigazzi
Rankless by CCL
2026