AUTHOR=Briongos-Figuero Sem , Estévez Paniagua Álvaro , Sánchez Hernández Ana , Muñoz-Aguilera Roberto TITLE=Redefining QRS transition to confirm left bundle branch capture during left bundle branch area pacing JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=Volume 10 - 2023 YEAR=2023 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2023.1217133 DOI=10.3389/fcvm.2023.1217133 ISSN=2297-055X ABSTRACT=Sem Briongos-Figuero has contributed to the conception, design and acquisition of data.He has drafted the work and reviewed it. He provided approval for publication and agreed to be accountable for all aspects of the work.Álvaro Estévez-Paniagua has contributed to the conception, design and acquisition of data. He has drafted the work and reviewed it. He provided approval for publication and agreed to be accountable for all aspects of the work.Ana Sánchez Hernández has contributed to the acquisition of data. She has reviewed it. She provided approval for publication and agreed to be accountable for all aspects of the work.Roberto Muñoz-Aguilera has contributed to the acquisition of data. He has reviewed it.He provided approval for publication and agreed to be accountable for all aspects of the work.