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fluoroscope

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fluoroscope (flr`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
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) 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.


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of Pittsburgh School of Medicine, and UroCenter in New York City), "encompasses all of the diagnostic modalities used in the evaluation of bladder and urethral function" and "ranges from simple diaries of micturition patterns to synchronous measurements of detrusor, urethral, and abdominal pressures, sphincter electromyography and fluoroscope visualization of the bladder and urethra.
1,2) Those who teach the technique emphasize the use of the C-arm fluoroscope and the tactile introduction of a sinus guidewire.
Chisaka and colleagues found that when volunteers swallowed barium pills with water, the fluoroscope showed that the pills became stuck in the esophagus 30% of the time.
 
 
 
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