AUTHOR=Li Yongbin , Ren Ying , Cheng Lisong , Zhou Xin , Li Wenting , Zhang Lingli , Cui Jian , Yao Zhuhua TITLE=Efficacy of ivabradine in patients with poor heart rate control after beta-blocker use in acute myocardial infarction: a pragmatic randomized controlled trial JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2025.1560639 DOI=10.3389/fcvm.2025.1560639 ISSN=2297-055X