CTICasesPacemaker Lead Dislodgement into the Inferior Vena Cava Post-Resuscitation
Imaging findings
Chest radiograph and subsequent CT obtained after a home cardiac arrest show subcutaneous emphysema and a dislodged right atrial pacemaker lead. The lead tip has migrated out of the right atrial appendage and hangs freely down into the inferior vena cava (IVC).
Key takeaways
Vigorous cardiopulmonary resuscitation (CPR) and associated cardiac manipulation can result in the mechanical dislodgement or migration of indwelling cardiac pacemaker leads. Radiologists must systematically evaluate the integrity and positioning of all medical devices on post-resuscitation imaging.
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