It all unraveled from there: case report of a central venous catheter guidewire unraveling.

Background: Inferior vena cava (IVC) filters can present challenges to emergency physicians in the process of central venous catheter (CVC) placement.

Case Report: A 68-year-old woman presented to the emergency department with severe shortness of breath and was intubated. A central line was placed after the intubation to facilitate peripheral access.