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Chest radiography: a survey of techniques and exposure levels currently used

Conference · · Radiology; (United States)
OSTI ID:5425811
In diagnostic radiology, the routine measurement of exposure levels for a reference patient is an important part of an effective quality assurance program. In the United States, chest radiography is the most frequent examination and has the lowest exposure level of all radiologic examinations. The authors estimated the amount of exposure an average patient received from both manual and automatic exposure-controlled radiographic techniques by using a patient-equivalent chest phantom during measurements. The mean exposure from 194 chest systems was 20 mR (5.16 x 10/sup -5/ C/kg); the mean film density, 1.38, and the mean processing speed, 108. With the information given in this study, investigators can begin to identify the problems that lead to unusual exposure levels and, perhaps, poor image quality.
Research Organization:
Food and Drug Administration, Rockville, MD
OSTI ID:
5425811
Conference Information:
Journal Name: Radiology; (United States) Journal Volume: 156:2
Country of Publication:
United States
Language:
English