title: [Superior vena cava syndrome and pacemaker].
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D011859:Radiography; D013382:Subtraction Technique; D013479:Superior Vena Cava Syndrome / Q000000981:diagnostic imaging / Q000209:etiology*
vernacular_title: Síndrome de vena cava superior y marcapaso.