Which of the following statements is true regarding digital fluoroscopy in pulsed fluoroscopy mode?

Digital fluoroscopy in pulsed fluoroscopy mode is indeed considered a dynamic imaging technique. This method allows for real-time visualization of moving structures within the body, providing a sequence of images over time. The key aspect of pulsed fluoroscopy is its ability to produce a series of images through short bursts of x-ray exposure, capturing motions effectively. This makes it particularly useful in various medical procedures where observing dynamic functions, such as swallowing or blood flow, is essential.

In contrast, storing image data in a buffer relates more to the function of continuous fluoroscopy rather than pulsed modes. While pulsed fluoroscopy can appear continuous to the observer due to the rapid succession of images, each pulse is a separate event rather than a stream. Additionally, the claim regarding x-ray pulses lasting 20 years or more is inaccurate, as the duration of each pulse is measured in milliseconds, not years. Lastly, pulsed fluoroscopy does not depend on continuous x-ray exposure; rather, it operates with intermittent bursts of x-rays, reducing the overall radiation dose to patients compared to traditional continuous fluoroscopy. This characteristic reinforces the nature of pulsed systems as dynamic imaging techniques.