Clay Birkett

1.4k total citations · 1 hit paper
14 papers, 1.1k citations indexed

About

Clay Birkett is a scholar working on Cardiology and Cardiovascular Medicine, Emergency Medicine and Surgery. According to data from OpenAlex, Clay Birkett has authored 14 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Cardiology and Cardiovascular Medicine, 5 papers in Emergency Medicine and 4 papers in Surgery. Recurrent topics in Clay Birkett's work include Heart Rate Variability and Autonomic Control (8 papers), Cardiac Arrest and Resuscitation (5 papers) and Cardiac electrophysiology and arrhythmias (4 papers). Clay Birkett is often cited by papers focused on Heart Rate Variability and Autonomic Control (8 papers), Cardiac Arrest and Resuscitation (5 papers) and Cardiac electrophysiology and arrhythmias (4 papers). Clay Birkett collaborates with scholars based in United States, Italy and Israel. Clay Birkett's co-authors include Massimo Pagani, Virend K. Somers, François M. Abboud, Nicola Montano, Alberto Porta, Alberto Malliani, Richard E. Kerber, Kirk T. Spencer, Chiara Cogliati and Krzysztof Narkiewicz and has published in prestigious journals such as Circulation, Journal of the American College of Cardiology and Journal of Applied Physiology.

In The Last Decade

Clay Birkett

14 papers receiving 1.1k citations

Hit Papers

Relationship Between Spectral Components of Cardiovascula... 1997 2026 2006 2016 1997 200 400 600
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. Relationship Between Spectral Components of Cardiovascular Variabilities and Direct Measures of Muscle Sympathetic Nerve Activity in Humans
    1997 731 citations Massimo Pagani, Nicola Montano et al. Circulation profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Clay Birkett United States 12 951 358 206 189 130 14 1.1k
Stephen S. Hull United States 12 1.2k 1.2× 188 0.5× 177 0.9× 223 1.2× 63 0.5× 28 1.3k
R.J. Cohen United States 8 1.2k 1.2× 542 1.5× 234 1.1× 138 0.7× 128 1.0× 17 1.3k
Troy E. Brown United States 12 1.1k 1.1× 430 1.2× 281 1.4× 234 1.2× 126 1.0× 20 1.4k
Peter P. Domitrovich United States 21 1.6k 1.6× 421 1.2× 179 0.9× 207 1.1× 116 0.9× 39 1.9k
T Cripps United Kingdom 17 1.9k 2.0× 535 1.5× 295 1.4× 184 1.0× 57 0.4× 31 2.1k
R.C. Steinman United States 6 1.8k 1.9× 632 1.8× 209 1.0× 229 1.2× 75 0.6× 7 2.0k
Ken Umetani Japan 17 1.2k 1.3× 251 0.7× 283 1.4× 157 0.8× 64 0.5× 59 1.6k
K Javorka Slovakia 21 999 1.1× 414 1.2× 161 0.8× 241 1.3× 211 1.6× 86 1.4k
Joe Alexander Japan 18 799 0.8× 204 0.6× 208 1.0× 61 0.3× 133 1.0× 55 1.2k
T Fujinami Japan 13 819 0.9× 380 1.1× 206 1.0× 141 0.7× 69 0.5× 43 1.1k

Countries citing papers authored by Clay Birkett

Since Specialization
Citations

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

Fields of papers citing papers by Clay Birkett

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Clay Birkett

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

All Works

14 of 14 papers shown
1.
Birkett, Clay, Michael G. Kienzle, & G.A. Myers. (2003). Mechanisms underlying alterations in power spectra of heart rate variability associated with ectopy. 391–394. 3 indexed citations
2.
Birkett, Clay, Michael G. Kienzle, & G.A. Myers. (2002). Interpolation over ectopic beats increases low frequency power in heart rate variability spectra. 257–259. 16 indexed citations
3.
Braun, Robert, Kevin Pedretti, T.L. Casavant, et al.. (2001). Parallelization of local BLAST service on workstation clusters. Future Generation Computer Systems. 17(6). 745–754. 41 indexed citations
4.
Spencer, Kirk T., et al.. (1998). Encircling overlapping multipulse shock waveforms for transthoracic defibrillation. Journal of the American College of Cardiology. 32(7). 2065–2071. 17 indexed citations
5.
Birkett, Clay, et al.. (1998). Development of baroreflex influences on heart rate variability in preterm infants. Early Human Development. 53(1). 37–52. 40 indexed citations
6.
Montano, Nicola, Chiara Cogliati, Alberto Porta, et al.. (1998). Central Vagotonic Effects of Atropine Modulate Spectral Oscillations of Sympathetic Nerve Activity. Circulation. 98(14). 1394–1399. 116 indexed citations
7.
Pagani, Massimo, Nicola Montano, Alberto Porta, et al.. (1997). Relationship Between Spectral Components of Cardiovascular Variabilities and Direct Measures of Muscle Sympathetic Nerve Activity in Humans. Circulation. 95(6). 1441–1448. 731 indexed citations breakdown →
8.
Spencer, Kirk T., et al.. (1996). Transthoracic defibrillation: Importance of avoiding electrode placement directly on the female breast. Journal of the American College of Cardiology. 27(2). 449–452. 39 indexed citations
9.
Kerber, Richard E., Kirk T. Spencer, Michael J. Kallok, et al.. (1994). Overlapping sequential pulses. A new waveform for transthoracic defibrillation.. Circulation. 89(5). 2369–2379. 33 indexed citations
10.
Scott, Brook D., Michael J. Kallok, Clay Birkett, Robert A. Kieso, & Richard E. Kerber. (1993). Transthoracic defibrillation: Effect of dual-pathway sequential pulse shocks and single-pathway biphasic pulse shocks in a canine model. American Heart Journal. 125(1). 99–109. 14 indexed citations
11.
Myers, G.A., Michael J. Workman, Clay Birkett, David W. Ferguson, & Michael G. Kienzle. (1992). Problems in measuring heart rate variability of patients with congestive heart failure. Journal of Electrocardiology. 25. 214–219. 27 indexed citations
12.
Birkett, Clay, Chester A. Ray, Erling A. Anderson, & Robert F. Rea. (1992). A signal-averaging technique for the analysis of human muscle sympathetic nerve activity. Journal of Applied Physiology. 73(1). 376–381. 16 indexed citations
13.
Kerber, Richard E., J. D. Bourland, Michael J. Kallok, et al.. (1990). Transthoracic Defibrillation Using Sequential and Simultaneous Dual Shock Pathways: Experimental Studies. Pacing and Clinical Electrophysiology. 13(2). 207–217. 8 indexed citations
14.
Eckberg, Dwain L., et al.. (1987). Continuous resetting of the human carotid baroreceptor-cardiac reflex. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. 252(4). R732–R736. 20 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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2026