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A computed tomography scan (CT scan), formerly called computed axial tomography scan (CAT scan), is a medical imaging technique used to obtain detailed internal images of the body. [2] The personnel that perform CT scans are called radiographers or radiology technologists.
However, OSHA regulation is unclear defining what facility is required. From this reason, American National Standards Institute (ANSI) has developed a standard (ANSI/ISEA Z358.1-2014) for emergency eyewash and shower stations, including the design of such stations. [4] [5] In Europe, Safety Showers are governed by EN standard EN15154. [6]
Low-dose high-resolution (1.25 mm) chest CT. HRCT is performed using a conventional CT scanner. However, imaging parameters are chosen so as to maximize spatial resolution: [1] a narrow slice width is used (usually 1–2 mm), a high spatial resolution image reconstruction algorithm is used, field of view is minimized, so as to minimize the size of each pixel, and other scan factors (e.g. focal ...
Dr. Andrew J. Einstein, director of cardiac CT research at Columbia University, has made the following statements in support of the safety of body scanners: [79] "A passenger would need to be scanned using a backscatter scanner, from both the front and the back, about 200,000 times to receive the amount of radiation equal to one typical CT scan ...
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Cone beam computed tomography (or CBCT, also referred to as C-arm CT, cone beam volume CT, flat panel CT or Digital Volume Tomography (DVT)) is a medical imaging technique consisting of X-ray computed tomography where the X-rays are divergent, forming a cone. [1]