Wolff-Parkinson-White syndrome in the presence of intermittent atrioventricular block.
D000328:Adult; D001146:Arrhythmia, Sinus; D004562:Electrocardiography; D006327:Heart Block / Q000150:complications*; D006329:Heart Conduction System; D006801:Humans; D008297:Male; D014927:Wolff-Parkinson-White Syndrome / Q000150:complications*