Registered Cardiovascular Invasive Specialist (RCIS) Practice Test

What is the best catheter to use for crossing a stenotic aortic valve?

1. AL2

2. Judkins Right

3. Sheath Introducer

4. Amplatz Extra Backup

The correct answer is: AL2

The AL2 catheter is particularly well-suited for crossing a stenotic aortic valve due to its shape and design. It features a curved tip that provides enhanced access to the aortic arch and facilitates the navigation through tight or obstructed areas, such as a stenotic valve. This characteristic allows for a more direct approach to the aorta and increases the likelihood of successfully crossing the stenosis with minimal trauma to the vascular structures. In interventional procedures, especially those involving the heart and large vessels, achieving a stable and accurate position is crucial. The AL2's design not only aids in advancing through restrictive areas but also assists in aligning properly with the vascular anatomy, allowing for smoother manipulation. Other catheter types mentioned may serve different purposes. The Judkins Right catheter, while effective for engaging the right coronary artery, may not offer the same ease or efficiency in crossing a stenotic valve. The Sheath Introducer is typically used to facilitate the introduction of other devices and is not designed for crossing structural obstructions. The Amplatz Extra Backup catheter is more suited for supportive backing and stability during procedures but is not optimal for directly crossing a stenosis like aortic stenosis. Each of these alternative options has its specific application, but in this case, the