Elderly AMI patients don't always get beta-blockers.
D000208:Acute Disease; D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage / Q000627:therapeutic use*; D000368:Aged; D004636:Emergency Service, Hospital; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000188:drug therapy*; D010818:Practice Patterns, Physicians'
D000319:Adrenergic beta-Antagonists