title: Concealed anomalous cardiac conduction pathways: a frequent cause of supraventricular tachycardia.
mesh_terms: D000293:Adolescent; D000328:Adult; D002036:Bundle of His / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000503:physiopathology; D002648:Child; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology* / Q000601:surgery; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011433:Propranolol / Q000627:therapeutic use; D013610:Tachycardia / Q000188:drug therapy / Q000209:etiology* / Q000503:physiopathology / Q000601:surgery
chemical_list: D011433:Propranolol