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The Image Distortion Analysis of Levin-tube tip by Patient position and Incidence Angle when taking Mobile Chest AP Projection
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 Title & Authors
The Image Distortion Analysis of Levin-tube tip by Patient position and Incidence Angle when taking Mobile Chest AP Projection
Lee, Jinsoo; Park, Hyonghu;
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 Abstract
This study`s purpose is improve image quality to keep accurate tube angle in order to recognize distortion degree conditions by patient`s position or tube angle and to provide exact clinical informations when taking chest AP projection for patient which have L-tube in stomach. The experimental equipment was ELMO-T6S by SHIMADZU corporation, then we put L-tube which attached 1 mm gap scales ruler on chest phantom surface. The experiment set by 90 kVp, 4 mAs, 120 cm distance. Each phantom position which changed supine, 30degree, 45degree, 60degree on the table exposured direct, , , to head and feet directions. As a result, L-tube tip`s position was changed by patient`s position and tube angle. When patient`s position is supine, tip`s position change was lower than 30degree, 45degree, 60degree. We have to adjust patient`s position or tube angle in order to occur image distortion by fault tube angle when confirming correct position L-tube tip through chest x-ray. Also, Radiological technologist try to make accurate evaluation index for satisfied L-tube insertion.
 Keywords
L-Tube;Image Distortion Analysis;Mobile Chest Examination;
 Language
Korean
 Cited by
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