What question did this study set out to answer?

The study aims to identify the influence of paced QRS morphology on lead placement in left bundle branch area pacing.

February 23, 2026Pacing and Clinical Electrophysiology0 citations

The Role of Paced QRS Morphology in Determining Initial Site for Lead Placement in Left Bundle Branch Area Pacing

MFMaciej FularzUniversity of Zielona Góra PMPrzemysław MitkowskiPoznan University of Medical Sciences

Key Points

The study aims to identify the influence of paced QRS morphology on lead placement in left bundle branch area pacing.
Examined the interventricular septum for lead placement
Analyzed electrocardiographic outcomes
Assessed aVL/aVR discordance to define target zones
Identified the interventricular septum as a favorable site for lead placement
Established that similar electrocardiographic outcomes can be achieved from different sites
Highlighted the inferior part of the septum as the easiest for lead implantation

Abstract

Wide area of interventricular septum may be used for LBBAP with similar electrocardiographic outcome and aVL/aVR discordance may delineate a safe target zone. LBBAP lead implantation is probably the easiest in the inferior part of septum.

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