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심장혈관조영촬영(心臟血管造影撮影)의 촬영조건(撮影條件)에 대(對)한 검토(檢討)
안봉선,Ahn, Bong-Seon 대한방사선과학회 1981 방사선기술과학 Vol.4 No.1
It is a experimental report to investigate optimum exposure technics in angiocardiography. Because of x-ray absorption and rapid voluntary motion in the heart region, it bound that discrimination ability of the exposed film is being decreased in ACG To circumvent these disadvantage it must be necessary to use short time exposure technics and also high capacity equipment in ACG. But in the case of using the low tube voltage to improve contrast on the exposed film, it will be result in a many difficulties in interpretation of the image due to increased contrast in vertebral images. Therefore the ranges 80 kVp to 90 kVp of could be suitable for the purpose of good contrast and an excellent discrimination ability and under this circumstance the optimum grid ratio for ACG was 8:1 to 12:1.
두부(頭部) 단순촬영시(單純撮影時) 적정(適正)한 관전압(管電壓)에 관(關)한 검토(檢討)
안봉선,고신관,박영선,Ahn, Bong-Seon,Ko, Shin-Gwan,Park, Young-Sun 대한방사선과학회 1980 방사선기술과학 Vol.3 No.1
It is the experimental report by using 17cm, 19cm in thickness water-phantom to investigate optimum tube voltage in taking skull roentgenography. The obtained results are as follows: 1. An adequate kVp for P-A projection is range from 80-90. 2. An adequate kVp for lateral projection is range from 75-85.