title: Two or more intra AV nodal pathways in association with either a James or Kent extranodal bypass in 3 patients with paroxysmal supraventricular tachycardia.
mesh_terms: D006328:Cardiac Catheterization; D004558:Electric Stimulation; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009431:Neural Conduction; D013614:Tachycardia, Paroxysmal / Q000188:drug therapy / Q000503:physiopathology*; D013997:Time Factors; D014700:Verapamil / Q000627:therapeutic use
chemical_list: D014700:Verapamil