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Related Experiment Videos

Extra echo spaces: ultrasonography and computerised tomography correlations

T Wada, M Honda, S Matsuyama

    British Heart Journal
    |May 1, 1982
    PubMed
    Summary
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    Subepicardial fat deposits, not just pericardial effusions, frequently cause unexplained extra echo spaces in echocardiograms. Recognizing these fat deposits improves diagnostic accuracy for cardiac imaging findings.

    Area of Science:

    • Cardiology
    • Medical Imaging
    • Diagnostic Echocardiography

    Background:

    • Echocardiography frequently reveals unexplained extra echo spaces.
    • Differentiating these spaces from other cardiac conditions can be challenging.

    Purpose of the Study:

    • To investigate the cause of clinically inexplicable extra echo spaces identified during echocardiography.
    • To determine the role of subepicardial fat deposits in these findings.

    Main Methods:

    • Retrospective analysis of echocardiograms from 844 patients.
    • Computerized tomography (CT) of the heart was performed on 50 patients with unexplained echo spaces.
    • Clinical correlation and follow-up observations were utilized.

    Main Results:

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    • 700 out of 844 patients exhibited unexplained extra echo spaces.
    • CT scans identified anterior or posterior subepicardial fat as the cause in 50 patients.
    • Six cases showed both subepicardial fat and pericardial effusions, complicating echocardiographic differentiation.

    Conclusions:

    • Subepicardial fat deposits are a common and reasonable explanation for extra echo spaces seen in echocardiography.
    • Recognition of subepicardial fat is crucial for accurate interpretation of echocardiographic findings.
    • Subepicardial fat should be considered a primary cause of these frequently observed cardiac imaging anomalies.