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Progressive aberrancy (defined as beats with QRS duration and morphology between that of sinus rhythm and full aberrancy) occurred in 10 of 32 episodes of atrial pacing in 5 of 11 patients. The episodes resembled fusion beats but were due to bilateral bundle branch delay.

Type

Journal article

Journal

Am J Cardiol

Publication Date

15/09/2003

Volume

92

Pages

736 - 739

Keywords

Adult, Aged, Bundle-Branch Block, Cardiac Pacing, Artificial, Diagnosis, Differential, Electrocardiography, Female, Heart Conduction System, Humans, Male, Middle Aged, Recovery of Function, Retrospective Studies, Tachycardia, Ectopic Atrial, Tachycardia, Supraventricular