title: Superior vena cava syndrome. Complication of permanent transvenous endocardial cardiac pacing.
mesh_terms: D000368:Aged; D006327:Heart Block / Q000628:therapy; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D011859:Radiography; D013924:Thrombophlebitis / Q000000981:diagnostic imaging / Q000209:etiology*; D014683:Vena Cava, Superior / Q000000981:diagnostic imaging