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Related Experiment Videos

The contralateral decubitus chest film.

J J Hollerman, S M Simms

    Annals of Emergency Medicine
    |February 1, 1986
    PubMed
    Summary

    The contralateral decubitus chest X-ray, with the affected side up, often reveals more pathology than the dependent view. This technique is valuable for detecting pleural effusions and lung base abnormalities, especially in pediatric patients.

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    Area of Science:

    • Radiology
    • Emergency Medicine
    • Diagnostic Imaging

    Background:

    • The cross-table decubitus chest film is a standard imaging technique.
    • The dependent position is traditionally emphasized for suspected pathology.

    Purpose of the Study:

    • To evaluate the diagnostic utility of the contralateral decubitus chest film.
    • To compare the efficacy of dependent versus elevated decubitus views.

    Main Methods:

    • Review of radiology and emergency medicine literature.
    • Analysis of chest film interpretations comparing dependent and contralateral decubitus views.

    Main Results:

    • The contralateral decubitus view (hemithorax up) frequently reveals more information than the dependent view.
    • This technique effectively identifies unsuspected bilaterality of pleural effusion, subpulmonic effusions, and obscured lung base pathology.
    • It aids in distinguishing vascular structures from infiltrates, particularly in pediatric cases.

    Conclusions:

    • The contralateral decubitus chest film is a valuable adjunct to upright views.
    • It offers a cost-effective and radiation-sparing alternative to repeat imaging for equivocal results.
    • Obtaining both decubitus views can provide complementary diagnostic information.

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