title: Beta-adrenergic blocking agents and hyperdynamic cardiovascular states.
mesh_terms: D001007:Anxiety / Q000503:physiopathology; D005239:Fear / Q000187:drug effects; D006321:Heart / Q000503:physiopathology*; D006329:Heart Conduction System / Q000187:drug effects; D006331:Heart Diseases / Q000188:drug therapy; D006801:Humans; D006980:Hyperthyroidism / Q000188:drug therapy; D000860:Hypoxia / Q000503:physiopathology; D010673:Pheochromocytoma / Q000188:drug therapy; D005082:Physical Exertion; D013565:Sympatholytics / Q000627:therapeutic use*
chemical_list: D013565:Sympatholytics