title: Superior vena cava obstruction due to pacemaker leads.
authors.affiliation: Cardiac Arrhythmia Service, University of Ottawa Heart Institute, H3214 - 40 Ruskin Street, Ottawa, Ontario,  Canada K1Y4W7.
authors.forename: Yahya
authors.initials: Y
authors.lastname: Al Hebaishi
authors.forename: Darryl R
authors.initials: DR
authors.lastname: Davis
mesh_terms: D003287:Contrast Media; D004567:Electrodes, Implanted / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D011859:Radiography; D013479:Superior Vena Cava Syndrome / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology*
chemical_list: D003287:Contrast Media