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fluoroscope |
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fluoroscope (fl r`əskōp), instrument consisting of an X-ray machine (see X ray X ray, invisible, highly penetrating electromagnetic radiation of much shorter wavelength (higher frequency) than visible light. The wavelength range for X rays is from about 10−8 m to about 10−11..... Click the link for more information. ) and a fluorescent screen that may be used by physicians to view the internal organs of the body. During medical diagnosis the patient stands between the X-ray machine, or other radiation source, and the fluorescent screen. Radiation passes through the body, producing varying degrees of light and shadow on the screen. Although the regular X-ray photograph shows more detail, fluoroscopy is preferable when the physician wants to see the live image, i.e., observe the size, shape, and movement of the patient's internal organs. In industry the fluoroscope is used for the examination of materials, manufactured objects, welds, castings, and other objects, principally for flaws. fluoroscope [′flu̇r·ə‚skōp] (engineering) A fluorescent screen designed for use with an x-ray tube to permit direct visual observation of x-ray shadow images of objects interposed between the x-ray tube and the screen. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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With the aid of a fluoroscopic C-arm (figure, C), a sinus guide wire is inserted through the sinus guide cannula into the sinus ostium (figure, D and E). Looking Within explains in serious but nonspecialized language how X-ray, fluoroscopic CT, MRI, positron emission tomography (PET), ultrasound, and other medical pictures are created and it explores the essential roles they play in the diagnosis and treatment of patients. Features include the latest EPS-Plus[TM] Digital Imaging System - an all-digital processing system designed to shorten exam times and reduce the costs of film, handling and storage associated with conventional R&F fluoroscopic procedures. |
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