title: Dual atrioventricular nodal nonreentrant tachycardia with alternating 1:1 and 1:2 AV conduction: mechanistic hypotheses and total suppression using right atrial pacing.
abstract: Dual atrioventricular (AV) nodal nonreentrant tachycardia is an uncommon arrhythmia with several pattern types. The primary therapy is ablation of the slow AV nodal pathway. A rare pattern type demonstrates alternating 1:2 and 1:1 AV ratios with longer PR intervals during 1:1 conduction. We report the second intracardiac study of this variant and the first case of using right atrial pacing as the ultimate therapy for any pattern type.
authors.affiliation: Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA. wangnc@upmc.edu
authors.forename: Norman C
authors.initials: NC
authors.lastname: Wang
authors.forename: Hemal
authors.initials: H
authors.lastname: Shah
authors.forename: Sandeep K
authors.initials: SK
authors.lastname: Jain
authors.forename: Samir
authors.initials: S
authors.lastname: Saba
mesh_terms: D000369:Aged, 80 and over; D002304:Cardiac Pacing, Artificial / Q000379:methods*; D004562:Electrocardiography / Q000379:methods; D006325:Heart Atria / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans; D008297:Male; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000503:physiopathology / Q000628:therapy*; D016896:Treatment Outcome