title: Sudden change from counterclockwise to clockwise flutter during cavotricuspid isthmus ablation: what is the mechanism?
authors.affiliation: Department of Medicine, Division of Cardiology, University of North Carolina at Chapel Hill.
authors.forename: Prabhat
authors.initials: P
authors.lastname: Kumar
authors.forename: Anil K
authors.initials: AK
authors.lastname: Gehi
mesh_terms: D000368:Aged; D001282:Atrial Flutter / Q000503:physiopathology* / Q000601:surgery*; D017115:Catheter Ablation / Q000379:methods*; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology* / Q000601:surgery*; D006801:Humans
keywords: atrial flutter; catheter ablation