ArticleJournal of cardiovascular development and disease2025
Double QRS Transition Due to Anodal Capture During Left Bundle Branch Area Pacing: A Case Report.
Article in Journal of cardiovascular development and disease, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Anodal capture, characterized by a different QRS morphology compared to cathodal capture, is a well-known issue in cardiac resynchronization therapy (CRT). Left bundle branch area pacing (LBBAP), a novel physiological pacing technique, is also used as a bailout strategy following failed conventional CRT implantation. In LBBAP, QRS transition, defined by a change in paced QRS morphology, serves as a key marker of successful lead placement. This case report is the first to document both high-output anodal capture and LBBAP-induced QRS transition in a single individual receiving LBBAP with an implantable cardioverter-defibrillator (ICD) as a bailout strategy for failed cardiac resynchronization therapy with defibrillator (CRT-D) implantation. Their coexistence underscores unique device optimization challenges in this emerging approach.
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