Khaira, Kavita B.Singh, RajeevDevabhaktuni, SubodhSimon, Joel W.Dandamudi, Gopi2023-02-022023-02-022020-08-12Khaira KB, Singh R, Devabhaktuni S, Simon JW, Dandamudi G. Left Bundle Branch Block-Induced Cardiomyopathy in a Transplanted Heart Treated With His Bundle Pacing. JACC Case Rep. 2020;2(12):1932-1936. Published 2020 Aug 12. doi:10.1016/j.jaccas.2020.05.093https://hdl.handle.net/1805/31088A 70-year-old male with prior orthotopic heart transplant developed left bundle branch block followed by new-onset left ventricular systolic dysfunction. He underwent His bundle pacing for cardiac resynchronization therapy with complete normalization of his ejection fraction. This is the first reported case of left bundle branch block–induced cardiomyopathy in a transplanted heart.en-USAttribution-NonCommercial-NoDerivatives 4.0 InternationalCardiac resynchronization therapyCardiac transplantCardiomyopathyArticle