title: The dual function of the A-V junction.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000209:etiology* / Q000503:physiopathology; D001283:Atrioventricular Node / Q000503:physiopathology; D002648:Child; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000209:etiology* / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D011690:Purkinje Fibers / Q000503:physiopathology; D013610:Tachycardia / Q000209:etiology / Q000503:physiopathology