title: Atrioventricular nodal conduction and refractoriness after intranodal collision from antegrade and retrograde impulses.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001283:Atrioventricular Node / Q000502:physiology*; D002037:Bundle-Branch Block / Q000503:physiopathology; D004553:Electric Conductivity; D004558:Electric Stimulation; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000502:physiology; D006325:Heart Atria; D006327:Heart Block / Q000503:physiopathology; D006329:Heart Conduction System / Q000502:physiology*; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008875:Middle Aged; D013997:Time Factors