Sara Coles

Supporting Information Filename Description pace70181-sup-0001-Figure.pdf384.9 KB Supplemental Figure 1. Average ventricular lead parameters (sensing, impedance and threshold) over time following initial implant. References 1, , , et al., “A Novel Pacing Strategy With Low and Stable Output: Pacing the Left Bundle Branch Immediately beyond the Conduction Block,” Canadian Journal of Cardiology 33 (2017): 1736.e1731–1736.e1733, https://doi.org/10.1016/j.cjca.2017.09.013.

Conflicts of Interest Ilya Y. Shadrin has received grant support from the American Heart Association and National Heart, Lung and Blood Institute. Zak Loring has received grant support from Boston Scientific and the Department of Veterans Affairs and serves as a consultant for Huxley Medical Inc. and Boston Scientific. Jonathan P. Piccini is supported by R01AG074185 from the National Institutes of Aging.

Supporting Information Filename Description jce16586-sup-0001-supmat.docx21.8 KB Supporting information. References 1, et al., “2018 ACC/AHA/HRS Guideline on the Evaluation and Management of Patients With Bradycardia and Cardiac Conduction Delay: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society,” Circulation 140, no. 8 (2019): e382–e482.