Anomalous atrioventricular excitation (Wolff-Parkinson-White syndrome) persisting with ectopic impulse formation.
D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology; D006330:Heart Defects, Congenital / Q000503:physiopathology; D006801:Humans; D010138:Pacemaker, Artificial; D013610:Tachycardia; D014927:Wolff-Parkinson-White Syndrome / Q000503:physiopathology*