27 September 2025
: Case report 
Restoration of Cardiac Function in Left Bundle Branch Block-Induced Cardiomyopathy via Conduction System Pacing: A Case Report
Unknown etiology, Challenging differential diagnosis, Unusual or unexpected effect of treatment, Diagnostic / therapeutic accidents, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)
Jing Wang BDEF 1, Bing Han AB 2, Xiaojuan Wang BDF 2, Zixian Chen BC 3, Wenqiang Li ABDE 4,5*DOI: 10.12659/AJCR.948576
Am J Case Rep 2025; 26:e948576
Figure 5 QRS duration changes 6 months after CSP. (A) Narrowed QRS duration of 82 ms recorded 6 months after CSP. (B) Reappearance of LBBB pattern following atrioventricular interval prolongation. ECG – electrocardiogram; LBBB – left bundle branch block; CSP – conduction system pacing.