AUTHOR=Luo Jiangying , Xue Yajun , Liu Fang , Yang Jing , Zhou Boda , Zhang Ping TITLE=Case Report: Painful left bundle branch block syndrome complicated with vasovagal syncope JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=11 YEAR=2025 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2024.1438320 DOI=10.3389/fcvm.2024.1438320 ISSN=2297-055X