Case report: Pulmonary embolism from thrombosis in a duplicated inferior vena cava developing after an electrophysiologic procedure

Duplicated inferior cava (IVC) is an anomaly we rarely encounter during ele ctrophysiologic procedures. We report a case with duplicated IVC who develo ped thrombosis of the left IVC following an electrophysiologic procedure, w hich resulted in an asymptomatic pulmonary embolism. It is speculated that several catheters placed in the torturous route through the left IVC caused either endothelial damage to the vessel wall, or hemostasis in the relativ ely narrow portion of the vessel, resulting in thrombus formation. Since th e prevalence and characteristics of thrombo-embolic complications during el ectrophysiologic pro-cedures in patients with a duplicated IVC remain unkno wn, we believe this case should be reported.