title: Demonstration of dual A-V nodal pathways in patients with paroxysmal supraventricular tachycardia.
mesh_terms: D006328:Cardiac Catheterization; D004558:Electric Stimulation; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006339:Heart Rate; D006801:Humans; D008875:Middle Aged; D012032:Refractory Period, Electrophysiological; D013614:Tachycardia, Paroxysmal / Q000503:physiopathology*