O Wenker. Case Of The Month. The Internet Journal of Radiology. 1999 Volume 1 Number 1.
The chest X-ray shows a knotted pulmonary artery catheter in the right ventricle.
Cardiac surgery was necessary to remove this PA catheter (shown in image below)
The knotted pulmonary catheter after removal from the right ventricle:
This case was first published on the educational multimedia CD-ROM “Central Venous Catheters” distributed by Cook Critical Care Inc.