title: Relationship between the ECG, ventricular activation, and the ventricular conduction system in ostium primum ASD.
mesh_terms: D000818:Animals; D004285:Dogs; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006327:Heart Block / Q000503:physiopathology; D006344:Heart Septal Defects, Atrial / Q000473:pathology / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D014672:Vectorcardiography