Gunshot bullet embolus with pellet migration from the left brachiocephalic vein to the right ventricle: a case report

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Abstract
We report the case of a 16 year old male who was the victim of a drive by shooting sustaining the rare but recognised complication of cardiovascular bullet embolism. He was seen as a trauma call in the emergency department and CT scanning revealed 70 shotgun pellets scattered throughout left sided sub-cutaneous tissues of the head and neck, and more significantly a single pellet within the right atrium. It is believed to have got there via injury to the left brachiocephalic vein which was demonstrated by extravasation of contrast on the CT scan. He remained stable throughout admission and the injury was managed conservatively. Serial scanning showed the pellet had subsequently migrated into the right ventricle where it has remained since, presumably having become epithelialised. This case report highlights the importance of repeated scanning for the possibility of projectile migration within the cardiovascular system in similar cases of penetrating injury.

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