Is Bedside Ultrasonography Rapid and Accurate for Confirmation of Central Venous Catheter Position and Exclusion of Pneumothorax Compared With Chest Radiograph?

Misplacement of a central venous catheter into azygos vein via the right internal jugular vein

For critically ill patients, central venous catheterization may not always be placed in a correct tip position, even when guided by ultrasound. A case of inadvertent catheterization into azygos vein is described.