title: Transvenous pacemaker failure due to anomalous venous return to the heart.
mesh_terms: D000368:Aged; D006328:Cardiac Catheterization; D004566:Electrodes; D006325:Heart Atria; D006327:Heart Block / Q000628:therapy*; D006330:Heart Defects, Congenital; D006333:Heart Failure / Q000628:therapy; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial; D014683:Vena Cava, Superior / Q000002:abnormalities*