YIN Xiao-Yun, YM Zhang, S Ai-Dong… - Journal of Geriatric …, 2023 - ncbi.nlm.nih.gov
… > II, suspected acute myocardial infarction with HR < 45 beats/min, … elevation myocardial
infarction has indicated that oral beta-… was early intravenous administration of metoprolol, and …