title: Supraventricular tachycardia with alternating cycle lengths: what is the mechanism?
authors.affiliation: Department of Cardiac Electrophysiology, Cardiology Division, University of California, San Francisco, California, USA.
authors.forename: Duy Thai
authors.initials: DT
authors.lastname: Nguyen
authors.forename: Melvin
authors.initials: M
authors.lastname: Scheinman
authors.forename: Nitish
authors.initials: N
authors.lastname: Badhwar
mesh_terms: D058606:Accessory Atrioventricular Bundle / Q000503:physiopathology; D000368:Aged; D002036:Bundle of His / Q000503:physiopathology; D017115:Catheter Ablation; D004562:Electrocardiography; D022062:Electrophysiologic Techniques, Cardiac; D005260:Female; D006325:Heart Atria / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D013617:Tachycardia, Supraventricular / Q000503:physiopathology* / Q000601:surgery