title: The effect and usefulness of early intravenous beta blockade in acute myocardial infarction.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D001145:Arrhythmias, Cardiac / Q000188:drug therapy; D002986:Clinical Trials as Topic; D004361:Drug Tolerance; D006439:Hemodynamics / Q000187:drug effects; D006801:Humans; D007275:Injections, Intravenous; D009203:Myocardial Infarction / Q000188:drug therapy* / Q000503:physiopathology; D010146:Pain / Q000188:drug therapy
chemical_list: D000319:Adrenergic beta-Antagonists