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    A detailed study of radiation dose and radiographic technique during chest radiography.

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    Authors
    Faulkner, K
    Gordon, M D
    Miller, J
    Affiliation
    Regional Department of Medical Physics and Bioengineering, Christie hospital and Holt Radium Institute, Manchester and *X-ray Department, Burnley General Hospital, Burnley, Lancashire
    Issue Date
    1986-03
    
    Metadata
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    Abstract
    The radiation dose to a series of patients referred for chest radiography has been monitored using thermoluminescent dosimetry. The postero-anterior projection was employed throughout the study. Measurements were made in two rooms of the same general hospital. Each room was equipped with automatic exposure control of the air ionisation chamber type. The effect of this equipment on patient exposure was investigated and compared with manual exposure control. In all cases the tube potential (kVp) was selected by the radiographer but tube current (mA) was determined by the generator. Anterior and posterior radiation doses were measured using sachets of lithium fluoride. For each group of patients the anterior exit dose, and therefore all of the radiation dose, was lower when automatic control was used. The standard deviation on the anterior patient dose was lower under automatic control, which resulted in fewer films needing to be repeated due to incorrect film density. Film densities were also investigated using a densitometer, to provide a further comparison between the two types of exposure control.
    Citation
    A detailed study of radiation dose and radiographic technique during chest radiography. 1986, 59 (699):245-9 Br J Radiol
    Journal
    The British Journal of Radiology
    URI
    http://hdl.handle.net/10541/115132
    DOI
    10.1259/0007-1285-59-699-245
    PubMed ID
    3947837
    Type
    Article
    Language
    en
    ISSN
    0007-1285
    EISSN
    1748-880X
    ae974a485f413a2113503eed53cd6c53
    10.1259/0007-1285-59-699-245
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