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KMID : 1001220100120020071
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Journal of the Korean Society of Digital Medical Imaging Technology
2010 Volume.12 No. 2 p.71 ~ p.79
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Investigation of Standard Evaluation for the Quality Control of General X-ray Systems
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Kang Byung-Sam
Son Jin-Hyun
Kim Byoung-Jun
Park Deok-Woo
Jung Byoung-Hoon
Lee Hyo-Jin
Hong Ji-Young
Kim Seung-Chul
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Abstract
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Thanks to the great development of technology in radiation, we are now able to reduce radiation exposure to the patients, and the radiographer and expenses in medical sector. We are also trying to produce ideal images which maintain useful information. These kinds of effort are increasing over the world. For that reason, we should get images which include necessary data of patients. Then it also can help to reduce radiation exposure to the patients. Therefore, we need to know the problems that cause a falling off in image’s quality and check on generator in case of their electronic and mechanical errors. And moreover, we should anticipate the possibility of devices errors and prevent them with regular quality control. This investigation was conducted in medical institutions, institute of educations and hospitals. They are all in Seongnam-City. We used PMX-III, kVp meter to implement kVp test, mR / mAs output test, light fiel / beam alignment test, Reproducibility of exposure dose, half value layer test, reproducibility of exposure time test. in the case of hospitals, they perceive the importance of regular quality control and organize the regular quality control team so they can be satisfied with the error standard in most experiments. On the other hand, when it comes to medical institutions and institute of educations, they perceive the importance of regular quality control less than hospitals do. Radiographer need to understand the importance of regular quality control and practice it so they can get the fine ideal image with the lower dose to the patient.
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KEYWORD
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Quality control, PMX-III, kVp test, mR / mAs output test, Light field / beam alignment test
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