George J. Klein

51.3k citations

506 papers · 25.5k indexed · 8 hit papers · h-index 78

Cardiology and Cardiovascular Medicine top 0.02%
Surgery top 0.5%
Molecular Biology top 5%
Radiology, Nuclear Medicine and Imaging top 1%
Oncology top 5%

Co-authors: Raymond Yee Allan C. Skanes Andrew D. Krahn Douglas L. Jones Arjun D. Sharma G Guiraudon Lorne J. Gula Carlos A. Morillo
Topics: Cardiac Arrhythmias and Treatments (352 papers)Cardiac electrophysiology and arrhythmias (246 papers)Cardiac pacing and defibrillation studies (216 papers)
Cited by: Cardiology and Cardiovascular Medicine Internal Medicine Surgery
Journals: Nature New England Journal of Medicine Circulation
Partner nations: Canada United States Australia

In The Last Decade

George J. Klein

491 papers receiving 24.1k citations

Hit Papers

5 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.

Updated Worldwide Survey on the Methods, Efficacy, and Safety of Catheter Ablation for Human Atrial Fibrillation

2009 1.9k citations George J. Klein, Allan C. Skanes et al. profile →
Canadian Implantable Defibrillator Study (CIDS)

2000 1.0k citations Stuart J. Connolly, Paul Dorian et al. Circulation profile →
Worldwide Survey on the Methods, Efficacy, and Safety of Catheter Ablation for Human Atrial Fibrillation

2005 972 citations George J. Klein, Allan C. Skanes et al. Circulation profile →
Epstein–Barr Virus in Burkitt's Lymphoma and Nasopharyngeal Carcinoma: EBV DNA in Biopsies of Burkitt Tumours and Anaplastic Carcinomas of the Nasopharynx

1970 970 citations George J. Klein et al. profile →
Chronic Rapid Atrial Pacing

1995 799 citations George J. Klein et al. Circulation profile →
ACC/AHA/ESC 2006 Guidelines for Management of Patients With Ventricular Arrhythmias and the Prevention of Sudden Cardiac Death

2006 712 citations Douglas P. Zipes, A. John Camm et al. Circulation profile →
Catheter Ablation Versus Antiarrhythmic Drugs for Atrial Fibrillation

2008 623 citations Pierre Jaı̈s, B Cauchemez et al. Circulation profile →
Ventricular Fibrillation in the Wolff-Parkinson-White Syndrome

1979 547 citations George J. Klein, John J. Gallagher et al. profile →

Peers

Countries citing papers authored by George J. Klein

Since Specialization

Citations

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

Fields of papers citing papers by George J. Klein

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of George J. Klein

This figure shows the co-authorship network connecting the top 25 collaborators of George J. Klein. A scholar is included among the top collaborators of George J. Klein 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 George J. Klein. George J. Klein 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

#	Work	Indexed citations
1	Narrow complex tachycardia with alternating atrial activation: What is the mechanism? 2024 ·Journal of Cardiovascular Electrophysiology ·(unknown),George J. Klein,Allan C. Skanes	0
2	Early Patient Experience with an Electro‐Anatomic Navigation System Dedicated to Device Lead Implantation: Feasibility and Safety 2012 ·Pacing and Clinical Electrophysiology ·Jaimie Manlucu,Raymond Yee,Allan C. Skanes,(unknown),Michael R. Neidert,(unknown),George J. Klein,Andrew D. Krahn,Lorne J. Gula,Peter Leong‐Sit,(unknown),(unknown)	3
3	Arrhythmia characterization and long-term outcomes in catecholaminergic polymorphic ventricular tachycardia 2011 ·Heart Rhythm ·Raymond W. Sy,Michael H. Gollob,George J. Klein,Raymond Yee,Allan C. Skanes,Lorne J. Gula,Peter Leong‐Sit,Robert M. Gow,Martin S. Green,David Birnie,Andrew D. Krahn	126
4	Antiarrhythmic use from 1991 to 2007: Insights from the Canadian Registry of Atrial Fibrillation (CARAF I and II) 2010 ·Heart Rhythm ·Jason G. Andrade,Stuart J. Connolly,Paul Dorian,Martin Green,Karin H. Humphries,George J. Klein,Robert S. Sheldon,Mario Talajic,Charles R. Kerr	22
5	Tachycardia Transition During Ablation of Persistent Atrial Fibrillation 2010 ·Journal of Cardiovascular Electrophysiology ·Leonardo Arantès,George J. Klein,Pierre Jaı̈s,Kang‐Teng Lim,Seiichiro Matsuo,Sébastien Knecht,Mélèze Hocini,Mark O’Neill,Jacques Clémenty,Michel Haı̈ssaguerre	4
6	Systematic Assessment of Patients With Unexplained Cardiac Arrest 2009 ·Circulation ·Andrew D. Krahn,Jeff S. Healey,Vijay S. Chauhan,David H. Birnie,Christopher S. Simpson,Jean Champagne,Martin J. Gardner,Shubhayan Sanatani,Derek V. Exner,George J. Klein,Raymond Yee,Allan C. Skanes,Lorne J. Gula,Michael H. Gollob	209
7	Catheter Ablation Versus Antiarrhythmic Drugs for Atrial Fibrillationbreakdown → 2008 ·Circulation ·Pierre Jaı̈s,B Cauchemez,Laurent Macle,Emile G. Daoud,Paul Khairy,Rajesh Subbiah,Mélèze Hocini,Fabrice Extramiana,Frédéric Sacher,Pierre Bordachar,George J. Klein,Rukshen Weerasooriya,Jacques Clémenty,Michel Haı̈ssaguerre	623
8	Guidelines for Management of Patients With Ventricular Arrhythmias and the Prevention of Sudden Cardiac Death. 2006 ·Revista Española de Cardiología ·Douglas P. Zipes,A. John Camm,Martin Borggrefe,Alfred E. Buxton,Bernard Chaitman,Martin Fromer,Gabriel Gregoratos,George J. Klein,Arthur J. Moss,Robert J. Myerburg,Silvia G. Priori,Miguel A. Quiñones,Dan M. Roden,Michael J. Silka,Cynthia M. Tracy	136
9	Characteristics of Slow Pathway Conduction After Successful AVNRT Ablation 2006 ·Journal of Cardiovascular Electrophysiology ·Emőke Pósán,Lorne J. Gula,Allan C. Skanes,Andrew D. Krahn,Raymond Yee,(unknown),Damian Redfearn,U. Mohamed,Paul A. Gould,George J. Klein	18
10	Long-term performance of a new catheter delivered lead 2005 ·EP Europace ·Emőke Pósán,Raymond Yee,(unknown),Damian Redfearn,George J. Klein,Andrew D. Krahn,Allan C. Skanes,Lorne J. Gula	0
11	Laser Lead Extraction: Is There a Learning Curve? 2005 ·Pacing and Clinical Electrophysiology ·Nina Ghosh,Raymond Yee,George J. Klein,Mackenzie Quantz,Richard J. Novick,Allan C. Skanes,Andrew D. Krahn	38
12	Heart Rate Variability in Obstructive Sleep Apnea: A Prospective Study and Frequency Domain Analysis 2003 ·Annals of Noninvasive Electrocardiology ·Lorne J. Gula,Andrew D. Krahn,Allan C. Skanes,Kathleen A. Ferguson,(unknown),Raymond Yee,George J. Klein	106
13	Cryoablation of Atrial Arrhythmias 2002 ·Cardiac Electrophysiology Review ·Allan C. Skanes,Raymond Yee,Andrew D. Krahn,George J. Klein	38
14	Predictive value of presyncope in patients monitored for assessment of syncope 2001 ·American Heart Journal ·Andrew D. Krahn,George J. Klein,Raymond Yee,Allan C. Skanes	28
15	Prevalence of reciprocating tachycardia in patients aged <50 years with apparent lone atrial fibrillation 1993 ·The American Journal of Cardiology ·Kevin Wolfe,George J. Klein,Raymond Yee	3
16	Reduction in defibrillation shocks with a device combining anttachycardia pacing, cardioversion and defibrillation 1991 ·Journal of the American College of Cardiology ·(unknown),Anne M. Gillis,D. George Wyse,George J. Klein,Raymond Yee,G Guiraudon,Robert S. Sheldon,Henry J. Duff,Teresa M. Kieser,L. Brent Mitchell	2
17	Feasibility of Long‐Term Electrocardiographic Monitoring with an Implanted Device for Syncope Diagnosis 1990 ·Pacing and Clinical Electrophysiology ·Challon J. Murdock,George J. Klein,Raymond Yee,James Leitch,Wee Siong Teo,Caro Norris	20
18	Results of operative therapy in the permanent form of junctional reciprocating tachycardia 1989 ·The American Journal of Cardiology ·Blair J. O’Neill,George J. Klein,G Guiraudon,Raymond Yee,Osamu Fujimura,(unknown),Arjun D. Sharma	34
19	Appropriate electrophysiologic study and treatment of patients with the Wolff-Parkinson-White syndrome 1988 ·Journal of the American College of Cardiology ·Albert L. Waldo,Masood Akhtar,David G. Benditt,Pedro Brugada,A. John Camm,John J. Gallagher,Paul C. Gillette,George J. Klein,Samuel Lévy,Melvin M. Scheinman,Hein J.J. Wellens,Douglas P. Zipes	34
20	Calcification in an intramyocardial mass lesion: Isolated calcification of an accessory papillary muscle in a patient with mitral prolapse 1978 ·Catheterization and Cardiovascular Diagnosis ·George J. Klein,William J. Kostuk,Lora Black,(unknown)	2

About George J. Klein

George J. Klein is a scholar working on Cardiology and Cardiovascular Medicine, Emergency Medicine and Surgery, having authored 506 papers that have together received 25.5k indexed citations. Recurring topics across this work include Cardiac Arrhythmias and Treatments (352 papers), Cardiac electrophysiology and arrhythmias (246 papers) and Cardiac pacing and defibrillation studies (216 papers). The work is most often cited by research in Cardiology and Cardiovascular Medicine (22.8k citations), Internal Medicine (395 citations) and Surgery (4.6k citations). George J. Klein has collaborated with scholars based in Canada, United States and Australia. Frequent co-authors include Raymond Yee, Allan C. Skanes, Andrew D. Krahn, Douglas L. Jones, Arjun D. Sharma, G Guiraudon, Lorne J. Gula, Carlos A. Morillo, Douglas L. Packer and Wyn Davies. Their work appears in journals such as Nature, New England Journal of Medicine and Circulation.

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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