title: Effects of propranolol on anomalous pathway refractoriness and circus movement tachycardias in patients with preexcitation.
mesh_terms: D000293:Adolescent; D000328:Adult; D002036:Bundle of His / Q000503:physiopathology; D002648:Child; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011433:Propranolol / Q000494:pharmacology*; D013610:Tachycardia / Q000503:physiopathology*; D013614:Tachycardia, Paroxysmal / Q000503:physiopathology
chemical_list: D011433:Propranolol