Question 1

Question

During ultrasound-guided internal jugular vein cannulation, you observe the vein collapsing with minimal probe pressure while the artery remains patent. The vein appears enlarged and the artery-to-vein ratio is 1:3. A spontaneously breathing patient shows respiratory variation. Evaluate the most appropriate interpretation and management strategy.

Accepted Answer

This indicates hypovolemia; fluid resuscitation should be considered before central line insertion

Answer

This is normal anatomy; proceed with cannulation using standard technique

Answer

This suggests venous thrombosis; consider alternative site

Answer

This indicates increased central venous pressure; use ultrasound compression technique

Perioperative Ultrasound — MCQs

Perioperative Ultrasound — MCQs

On this page

Practice by Chapter

Want unlimited practice?