🔍 Radiology explained: what is fluoroscopy? If your doctor has referred you for a fluoroscopy exam and you're not sure what to expect, here's a short explanation: 🩻 Fluoroscopy uses continuous X-rays to produce real-time moving images of the inside of your body. This allows a radiologist to observe motion – such as swallowing or joint movement – as it happens. It is different from a standard X-ray, which produces a single still image. In a radiology department, fluoroscopy is often used to dia