Case ReportPublished 7 October 2026Left bundle branch area pacing induced dual bundle branches non-reentrant bigeminy and Takotsubo cardiomyopathy: a case reportSong-Yun Chu · Yuxi Li · Li-Tong Qi · Er-Dong Chen · Jing ZhouFrontiers in Physiologydoi 10.3389/fphys.2026.1915000