Aorto-caval fistula resulting from an abdominal aortic aneurysm: A case report from the Emergency Department of Izmir Bozyaka Training and Research Hospital, Turkey.

The rupture of an abdominal aortic aneurysm into the inferior vena cava with fistula formation is a rare condition but is associated with high mortality. Classical symptoms and findings vary in a wide range, and early diagnosis and intervention can be life-saving. In this study, we present a case of abdominal aortic aneurysm associated with aorto-caval fistula formation accompanied by mortality.