Beta-adrenergic blockade in dynamic outflow obstruction.
D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D002312:Cardiomyopathy, Hypertrophic / Q000188:drug therapy*; D006801:Humans; D013771:Tetralogy of Fallot / Q000188:drug therapy*
D000319:Adrenergic beta-Antagonists