Atrioventricular nodal reentry.
D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000503:physiopathology*; D013617:Tachycardia, Supraventricular / Q000503:physiopathology*