title: Persistent left superior vena cava as a complicating feature of transvenous cardiac pacing.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000209:etiology / Q000601:surgery; D006330:Heart Defects, Congenital; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications; D010138:Pacemaker, Artificial; D011859:Radiography; D014683:Vena Cava, Superior / Q000002:abnormalities* / Q000000981:diagnostic imaging