Abnormal coiling of a pacemaker lead into the pulmonary artery with massive infectious thrombosis

A 78-year-old woman with a history of S-A block originally received a DDDR pacemaker on the right thoracic side in October 2000. After several re-operations (ventricular lead replacement, generator dislocation), the device was replaced due to battery depletion in April 2005. In May 2005, the patient was re-admitted with intermittent fever, but no evidence for any inflammatory …