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

Increasing the rate of rise on the power injector refers to the speed at which contrast media is delivered into the bloodstream during medical imaging procedures. When this rate is increased, it can lead to a reduction in the catheter whip.

The term "catheter whip" describes the motion of the catheter caused by the force of the contrast agent as it is injected. A higher rate of rise means that the contrast is being pushed through the catheter more quickly, which creates a more consistent flow and can stabilize the catheter position within the vascular system. This stabilization is particularly important in vascular imaging, as it minimizes unnecessary movement that could disrupt the catheter's placement or cause discomfort to the patient.

While it might seem logical that increasing the rate of rise could cause more injury or increase the volume of contrast needed, the reduction in catheter whip actually serves to enhance procedural efficiency and safety by maintaining catheter stability. Therefore, the relationship between the rate of rise and the effects on catheter whip is crucial for ensuring successful imaging outcomes.