PR Prolongation predicts inadequate resynchronization with biventricular pacing in left bundle branch block.
Brett D AtwaterKasper EmerekPeter L SørensenSteen M HansenZak LoringClaus GraffChristoffer PolcwiartekJoseph KissloPeter SøgaardDaniel J FriedmanPublished in: Pacing and clinical electrophysiology : PACE (2019)
PR prolongation predicts shorter survival free of heart transplantation or LVAD implantation in patients with LBBB. This may be due to inadequate ventricular resynchronization.