His bundle pacing and left bundle branch area pacing: Feasibility and safety Carolina Saleiro, Pedro A. Sousa, Catarina Nogueira, Lídia Mota, Claúdia Almeida, Gisela Bragança, Francisco Paisana

Establishing a left bundle branch area pacing program: Results from a high-volume pacing center João Ferreira, Diogo Fernandes, Patrícia Marques-Alves, Carolina Saleiro, Luís Elvas, Lino Gonçalves

Transient, persistent and permanent left bundle branch block? Wan Lin, Xinyin Xie, Min Yu