title: Persistent left superior vena cava: localization of site of ectopic atrial pacemaker and associated atrioventricular accessory pathway.
mesh_terms: D000328:Adult; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology* / Q000601:surgery; D006801:Humans; D014683:Vena Cava, Superior / Q000002:abnormalities*; D014927:Wolff-Parkinson-White Syndrome / Q000150:complications / Q000503:physiopathology*