RCIS Practice Test 2025 – All-in-One Exam Prep

When the Tuohy Borst is overtightened, a potential consequence is that it can prevent balloon inflation or deflation. The Tuohy Borst valve is designed to provide a secure passage for catheters while still allowing for the control of fluids, such as contrast media or saline used in procedures. If this valve is overly tightened, it can create such a tight seal that the internal pathway is obstructed.

This obstruction can lead to challenges in managing the catheter, specifically in the ability to inflate or deflate a balloon as needed during procedures. A blood vessel or a structure being treated may require precise control of balloon inflation for optimal results, and if that control is lost, it can adversely affect the procedure's outcome.

Increasing balloon inflation, improper catheter positioning, or rupture of the catheter are not direct consequences of overtightening the Tuohy Borst. Rather, these scenarios pertain to different issues that might arise from improper catheter handling, material defects, or incorrect procedural techniques. Ensuring the Tuohy Borst is tightened just enough to secure the catheter without obstructing the internal pathway is crucial for effective procedural outcomes.