title: Persistent left superior vena cava in patients with congenital atrioventricular preexcitation conduction abnormalities.
mesh_terms: D000293:Adolescent; D000328:Adult; D001145:Arrhythmias, Cardiac / Q000151:congenital* / Q000503:physiopathology; D001283:Atrioventricular Node / Q000503:physiopathology*; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006330:Heart Defects, Congenital / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D014683:Vena Cava, Superior / Q000002:abnormalities*