World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
103
Citations
55398
World Ranking
7202
National Ranking
279

George J. Klein publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where George J. Klein sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 632 publications — 75th percentile

75% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

George J. Klein D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where George J. Klein sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 103 D-Index — 65th percentile

65% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

George J. Klein is affiliated with the University of Western Ontario in Canada and has contributed extensively to the field of medicine, focusing primarily on cardiology and cardiovascular medicine. Their work spans multiple subfields including cardiac arrhythmias, electrophysiology, and advanced imaging techniques.

Their research topics encompass:

  • Cardiac Arrhythmias and Treatments
  • Cardiac electrophysiology and arrhythmias
  • Atrial Fibrillation Management and Outcomes
  • Cardiac pacing and defibrillation studies
  • Atomic and Subatomic Physics Research
  • Advanced MRI Techniques and Applications

George J. Klein has published papers in a range of journals, with frequent publication in:

  • Journal of Cardiovascular Electrophysiology
  • Heart Rhythm
  • American Heart Journal
  • Heart
  • JACC. Clinical electrophysiology

Recently published papers include:

  • Impact of electrical cardioversion on quality of life for patients with symptomatic persistent atrial fibrillation: Is there a treatment expectation effect? (2020, American Heart Journal)
  • Approach to a patient with asymptomatic pre-excitation (2023, Heart)
  • Para-Hisian Pacing During Sinus Rhythm (2020, JACC. Clinical electrophysiology)
  • A simple maneuver to determine if septal accessory pathway ablation requires a left atrial approach (2020, Journal of Cardiovascular Electrophysiology)
  • Narrow complex tachycardia with alternating atrial activation: What is the mechanism? (2024, Journal of Cardiovascular Electrophysiology)

George J. Klein has collaborated frequently with a number of coauthors, including:

  • Allan C. Skanes
  • Jason D. Roberts
  • Anthony Tang
  • Lorne J. Gula
  • Jaimie Manlucu

Best Publications

  • 2012 HRS/EHRA/ECAS expert consensus statement on catheter and surgical ablation of atrial fibrillation: recommendations for patient selection, procedural techniques, patient management and follow-up, definitions, endpoints, and research trial design

    Hugh Calkins;Karl Heinz Kuck;Riccardo Cappato;Josep Brugada

  • 2012 HRS/EHRA/ECAS expert consensus statement on catheter and surgical ablation of atrial fibrillation: Recommendations for patient selection, procedural techniques, patient management and follow-up, definitions, endpoints, and research trial design

    Hugh Calkins;Karl Heinz Kuck;Riccardo Cappato;Josep Brugada

  • Updated worldwide survey on the methods, efficacy, and safety of catheter ablation for human atrial fibrillation

    Riccardo Cappato;Hugh Calkins;Shih Ann Chen;Wyn Davies

  • Canadian implantable defibrillator study (CIDS) : a randomized trial of the implantable cardioverter defibrillator against amiodarone.

    Stuart J. Connolly;Michael Gent;Robin S. Roberts;Paul Dorian

  • Sudden Cardiac Arrest Associated with Early Repolarization

    Michel Haïssaguerre;Nicolas Derval;Frederic Sacher;Laurence Jesel

  • Chronic Rapid Atrial Pacing Structural, Functional, and Electrophysiological Characteristics of a New Model of Sustained Atrial Fibrillation

    Carlos A. Morillo;George J. Klein;Douglas L. Jones;Colette M. Guiraudon

  • Ventricular fibrillation in the Wolff-Parkinson-White syndrome.

    George J. Klein;Thomas M. Bashore;T. D. Sellers;Edward L. C. Pritchett

  • Catheter Ablation Versus Antiarrhythmic Drugs for Atrial Fibrillation: The A4 Study

    Pierre Jaïs;Bruno Cauchemez;Laurent Macle;Emile Daoud

  • Effects of physiologic pacing versus ventricular pacing on the risk of stroke and death due to cardiovascular causes

    Stuart J. Connolly;Charles R. Kerr;Michael Gent;Robin S. Roberts

  • ACC/AHA/ESC 2006 guidelines for management of patients with ventricular arrhythmias and the prevention of sudden cardiac death

    Douglas P. Zipes;A. John Camm;Martin Borggrefe;Alfred E. Buxton

  • Prevalence and Causes of Fatal Outcome in Catheter Ablation of Atrial Fibrillation

    Riccardo Cappato;Hugh Calkins;Shih Ann Chen;Wyn Davies

  • Somatic mutations in the connexin 40 gene (GJA5) in atrial fibrillation.

    Michael H Gollob;Douglas L Jones;Andrew D Krahn;Lynne Danis

  • Randomized Assessment of Syncope Trial Conventional Diagnostic Testing Versus a Prolonged Monitoring Strategy

    Andrew D. Krahn;George J. Klein;Raymond Yee;Allan C. Skanes

  • Progression to chronic atrial fibrillation after the initial diagnosis of paroxysmal atrial fibrillation: results from the Canadian Registry of Atrial Fibrillation.

    Charles R. Kerr;Karin H. Humphries;Mario Talajic;George J. Klein

  • Use of an Extended Monitoring Strategy in Patients With Problematic Syncope

    Andrew D. Krahn;George J. Klein;Raymond Yee;Teri Takle-Newhouse

  • Delayed Enhancement Magnetic Resonance Imaging Predicts Response to Cardiac Resynchronization Therapy in Patients With Intraventricular Dyssynchrony

    James A. White;Raymond Yee;Xiaping Yuan;Andrew Krahn

  • PACES/HRS Expert Consensus Statement on the Management of the Asymptomatic Young Patient with a Wolff-Parkinson-White (WPW, Ventricular Preexcitation) Electrocardiographic Pattern

    Mitchell I. Cohen;John K. Triedman;Bryan C. Cannon;Andrew M. Davis

  • Optimizing Hemodynamics in Heart Failure Patients by Systematic Screening of Left Ventricular Pacing Sites : The Lateral Left Ventricular Wall and the Coronary Sinus Are Rarely the Best Sites

    Nicolas Derval;Paul Steendijk;Lorne J. Gula;Antoine Deplagne

  • Guidelines for Management of Patients With Ventricular Arrhythmias and the Prevention of Sudden Cardiac Death.

    Douglas P Zipes;A John Camm;Martin Borggrefe;Alfred E Buxton

  • Guidelines for management of patients with ventricular arrhythmias and the prevention of sudden cardiac death. Executive summary

    Zipes Dp;Camm Aj;Borggrefe M;Buxton Ae

Frequent Co-Authors

Raymond Yee
Raymond Yee University of Western Ontario
Douglas L. Jones
Douglas L. Jones University of Illinois at Urbana-Champaign
Andrew D. Krahn
Andrew D. Krahn University of British Columbia
Mario Talajic
Mario Talajic Montreal Heart Institute
Carlos A. Morillo
Carlos A. Morillo University of Calgary
Stuart J. Connolly
Stuart J. Connolly McMaster University
Michel Haïssaguerre
Michel Haïssaguerre University of Bordeaux
Andrea Natale
Andrea Natale Case Western Reserve University
Paul Dorian
Paul Dorian University of Toronto
Jeff S. Healey
Jeff S. Healey Population Health Research Institute

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