Significance of pre-excitation of the presence of intraventricular and atrioventricular conduction disturbances.
D004562:Electrocardiography; D006325:Heart Atria; D006329:Heart Conduction System / Q000503:physiopathology*; D006352:Heart Ventricles; D006801:Humans; D010701:Phonocardiography; D014927:Wolff-Parkinson-White Syndrome / Q000503:physiopathology*