Figure 11From: Successful management of multiple permanent pacemaker complications – infection, 13 year old silent lead perforation and exteriorisation following failed percutaneous extraction, superior vena cava obstruction, tricuspid valve endocarditis, pulmonary embolism and prosthetic tricuspid valve thrombosis Contrast CT angiogram showing extensive backfilling of azygous system from superior vena cava.Back to article page