ABSTRACT
Fluoroscopy is a radiological examination that aims to provide visualization of dynamic processes as they occur. Fluoroscopy-guided procedures have become an important part of radiological practice since the beginning of the twentieth century. Fluoroscopy has become important in several different clinical fields and today larger hospitals have several fluoroscopic suites dedicated to specific applications, such as gastroenterology, cystography, peripheral vascular and cardiac angiography, cardiac electrophysiology, and neurovascular imaging procedures. The different configurations include radiography/fluoroscopy (R/F) tables, with either an under-table or over-table X-ray tube, and fixed and mobile C-arms. The R/F system is the most common fluoroscopic equipment configuration. It is used for a wide range of diagnostic and interventional procedures. The high-voltage generator and X-ray tube used in most fluoroscopy systems are similar in design and construction to tubes used for general radiographic applications. Fluoroscopic and angiographic equipment are provided with different types of filters used to optimize both the spectrum and the shape of the X-ray beam.
