V
Verity John
Publications - 3
Citations - 353
Verity John is an academic researcher. The author has contributed to research in topics: Perfusion scanning & Sinus rhythm. The author has an hindex of 3, co-authored 3 publications receiving 301 citations.
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Journal ArticleDOI
Atrial Premature Beats Predict Atrial Fibrillation in Cryptogenic Stroke: Results From the EMBRACE Trial
David J. Gladstone,David J. Gladstone,Paul Dorian,Melanie Spring,Val Panzov,Muhammad Mamdani,Jeff S. Healey,Kevin E. Thorpe,Kevin E. Thorpe,Richard I. Aviv,Karl Boyle,J. Blakely,Robert Côté,Judith Hall,M K Kapral,N. Kozlowski,Andreas Laupacis,Martin O'Donnell,K. Sabihuddin,Mukul Sharma,A. Shuaib,Haris M. Vaid,A. Pinter,S. Abootalebi,Richard Chan,S. Crann,L. Fleming,C. Frank,Vladimir Hachinski,K Hesser,B.S. Kumar,Peter Sörös,M. Wright,V. Basile,Julia Hopyan,Y. Rajmohan,Richard H. Swartz,G. Valencia,Jon Erik Ween,H. Aram,Phil A. Barber,S B Coutts,Andrew M. Demchuk,K. Fischer,Michael D. Hill,Gary Klein,Carol Kenney,Bijoy K Menon,M. McClelland,A. Russell,Karla J Ryckborst,Peter Stys,Eric E. Smith,T.W. Watson,S. Chacko,Demetrios J. Sahlas,J. Sancan,L. Durcan,E. Ehrensperger,J. Minuk,Theodore Wein,L. Wadup,N. Asdaghi,J. Beckman,N. Esplana,P. Masigan,C. Murphy,E. Tang,P. Teal,K. Villaluna,A. Woolfenden,S. Yip,Miguel Bussière,Dar Dowlatshahi,Grant Stotts,S. Robert,Kathleen Ford,Daniel G. Hackam,L. Miners,T. Mabb,J. D. Spence,Brian Buck,T. Griffin-Stead,R. Jassal,Muzzafar Siddiqui,A. Hache,C. Lessard,F. Lebel,Ariane Mackey,Steve Verreault,C. Astorga,Leanne K. Casaubon,M. del Campo,Cheryl Jaigobin,L. Kalman,F L Silver,Lydia S. Atkins,K. Coles,Andrew M Penn,R. Sargent,C. Walter,Y. Gable,N. Kadribasic,B. Schwindt,P. Kostyrko,Daniel Selchen,Gustavo Saposnik,P. Christie,Albert Y. Jin,D. Hicklin,D. Howse,E. Edwards,Sharon Jaspers,F. Sher,S. Stoger,D. Crisp,A. Dhanani,Verity John,M. Levitan,Manu Mehdiratta,D. Wong +120 more
TL;DR: Among older cryptogenic stroke or transient ischemic attack patients, the number of APBs on a routine 24-hour Holter ECG was a strong dose-dependent independent predictor of prevalent subclinical AF.
Journal ArticleDOI
Certainty of stroke diagnosis: incremental benefit with CT perfusion over noncontrast CT and CT angiography
Julia Hopyan,Anthony Ciarallo,Dar Dowlatshahi,Peter Howard,Verity John,Robert Yeung,Liying Zhang,Jisung Kim,Genevieve MacFarlane,Ting-Yim Lee,Richard I. Aviv +10 more
TL;DR: An incremental stroke protocol that includes CT perfusion increases diagnostic performance for stroke diagnosis and inter- and intraobserver agreement.
Journal ArticleDOI
Interobserver Agreement of ASPECT Score Distribution for Noncontrast CT, CT Angiography, and CT Perfusion in Acute Stroke
Olga Finlayson,Verity John,Robert Yeung,Dar Dowlatshahi,Peter Howard,Liying Zhang,Richard H. Swartz,Richard I. Aviv +7 more
TL;DR: CTP-CBV demonstrates the highest interobserver agreement for individual ASPECTS regions, and highest concordance was shown for caudate, lentiform, and M1–M3, whereas performance for internal capsule and M4–M6 was poorer.