Fluoroscopy is a medical imaging modality that is similar to regular X-rays because it uses radiation to acquire images. However, it has a unique advantage: instead of a single snapshot (still-image), it creates real-time images—like a video—of your body’s insides. It may help to think of plain X-rays like photographs and fluoroscopy like a movie of your internal organs.
Fluoroscopy is used for two main purposes: it can help diagnose what’s happening inside the body, and it can guide doctors during certain treatments or surgeries.
Fluoroscopy Guide
Curious about your upcoming radiology exam? This post provides clear, patient-friendly information to help you understand what to expect, how to prepare, and what your results might mean.
Introduction
Frequently Asked Questions
How does Fluoroscopy work?
Fluoroscopy uses X-rays that pass through your body and are displayed on a special screen. This creates short, dynamic video clips called cine loops, which are displayed on a monitor so doctors can watch the movement inside your body.
Why is Fluoroscopy required?
Fluoroscopy is often needed when your doctor wants to see how things are working inside without invasive surgery. Some common uses include:
- Barium Studies: Used to assess your digestive tract (like the esophagus, stomach, and intestines).
- Hysterosalpingography: Examines the uterus and fallopian tubes.
- Intravenous Urography: Looks at the kidneys, ureters, and bladder.
- Retrograde and Micturating Cystourethrography (RUCG/MCUG): Examines the bladder and urethra.
Some of these tests may require a special dye called contrast to make things easier to see.
Fluoroscopy is also useful for guiding procedures, such as:
- Biopsies: Helps doctors guide a needle into the body to collect tissue samples.
- Stent Placements: which involves placing small devices to open up narrowed or blocked blood vessels.
- Catheter Insertions: Guides catheter placement in blood vessels or other areas.
- Arthrography: Used to examine joints in the body.
- Surgical Guidance: Helps guide surgeons during complex operations.
How much radiation is used?
The amount of radiation used varies depending on the type of fluoroscopy procedure. Some procedures require very low radiation (this is largely a function of the length of procedure), while others, especially lengthy interventional ones, may use more.
Since radiation is used, should I be worried?
There’s no need to worry. Think of it like flying on a plane—there’s a small risk, but when all safety measures are in place, you’re protected. Fluoroscopy machines are set to safe levels, and trained professionals manage the procedure to avoid unnecessary exposure.
Can a pregnant individual have fluoroscopy?
Fluoroscopy is generally avoided during pregnancy due to potential risks to a developing baby. If you might be pregnant, let your doctor know so they can decide the best approach.
For a specific procedure, like Hysterosalpingography (HSG), your doctor might ask you to abstain from sex for a short period and do a blood pregnancy test before scheduling, to be certain.
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