A fluoroscope is a medical device that uses x-rays to provide real-time images of the inside of the body. It is used in procedures such as catheterizations, biopsies, and angiography, and is supervised by an interventional radiologist to limit radiation exposure. The use of a monitor reduces occupational exposure to x-rays.
A fluoroscope is a device that provides real-time medical images of the inside of the body with the assistance of x-rays. The first versions of the fluoroscope were developed in the late 1800s and were once used in non-medical applications as novelty items. Today, the use of fluoroscopes is limited to medical settings and are used only when a physician deems the device appropriate to use, with the goal of limiting radiation exposure.
The device consists of an X-ray tube that emits rays directed at the body. An image intensifier under the body area being imaged collects X-rays, converts the information into visible light, and displays it on a monitor. Historically, image intensifiers weren’t available and fluoroscopes had to be used in the dark so people could see the image. Today the dosage is much lower and the use of a monitor allows medical personnel to be out of the room which reduces their occupational exposure to X-rays.
Also known as a roentgenoscope, a fluoroscope can be used for procedures where people need real-time feedback. These devices can be used with radiopaque substances that act as tracers, such as when someone undergoes a baryta swallow to study the gastrointestinal tract. Some examples of situations where a fluoroscope might be used include certain types of catheterizations, surgical procedures, biopsies, and angiography.
Procedures performed under fluoroscopic guidance are usually supervised by an interventional radiologist who is experienced working with fluoroscopes and can protect the safety of everyone involved in the procedure. Fluoroscopic imaging can also be recorded with the use of a camera for future study or evaluation. Some junior doctors find it helpful to be able to review videos of such procedures so they can feel comfortable with fluoroscopy without the pressure associated with performing a procedure on a live patient.
The medical use of radiation can be extremely beneficial in some cases, but it also carries serious risks. Long-term exposure to radiation can cause health problems for patients and healthcare professionals. Before any type of procedure or treatment involving radiation is recommended, these risks are assessed to determine whether or not the benefits outweigh the costs. In the case of a fluoroscope, the dosage is higher than that of a single X-ray image.
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