title: Coexistence of the Wolff-Parkinson-White syndrome and atrioventricular nodal block.
mesh_terms: D000328:Adult; D004562:Electrocardiography; D006327:Heart Block / Q000150:complications* / Q000175:diagnosis / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D008297:Male; D014927:Wolff-Parkinson-White Syndrome / Q000150:complications* / Q000175:diagnosis / Q000503:physiopathology