title: Dual atrioventricular nodal pathways: a reappraisal.
mesh_terms: D001283:Atrioventricular Node / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D013610:Tachycardia / Q000503:physiopathology*; D013614:Tachycardia, Paroxysmal / Q000503:physiopathology