title: [Heart pacemaker stimulation within a coronary vein in persistent left superior vena cava].
abstract: Persistent left superior vena cava is a rare malformation that causes no functional disturbance. In one case of this anomaly associated with dextropositio ventriculi cardiac pacing was necessary using the approach from the left vena cephalica because of a variety of preceding problems and severe complications. The electrode could be stably positioned in the coronary vein, vena cordis media. The evidence of pacemaker malfunction conditioned by increase of threshold, of the occurrence of electrode perforation or electrode-induced coronary vein thrombosis has not been observed. The electrocardiogram during stimulation shows the feature of right bundle-branch block. The described method was used to avoid a repetitive intervention.
mesh_terms: D000368:Aged; D004562:Electrocardiography; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial; D011859:Radiography; D014683:Vena Cava, Superior / Q000002:abnormalities* / Q000000981:diagnostic imaging
vernacular_title: Herzschrittmacher-Stimulation von einer Coronarvene aus bei persistierender linker oberer Hohlvene.