title: The ailing A-V junction.
abstract: The "ailing A-V junction" includes a spectrum of arrhythmias and conduction defects owing to abnormalities in impulse formation (junctional rhythms), impulse conduction (A-V dissociation), and impulse storage (ventricular pre-excitation). A schema is presented for the identification of these dysrhythmias based upon modern electrophysiologic concepts. Hopefully, precise electrophysiologic diagnosis will yield a rational approach to therapy.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001146:Arrhythmia, Sinus / Q000175:diagnosis; D001145:Arrhythmias, Cardiac / Q000175:diagnosis* / Q000209:etiology; D001283:Atrioventricular Node; D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis; D006329:Heart Conduction System; D006801:Humans; D008297:Male; D008875:Middle Aged; D013610:Tachycardia / Q000175:diagnosis