Why the study?
Does the differential density sign on chest radiograph predict the presence of pericardial effusion on echocardiography in patients with suspected effusion?
Population
100 patients with suspected pericardial effusion who underwent echocardiography
Comparison
Evaluation of chest radiographs for the… vs Echocardiography (reference standard)
Design
Cross-sectional
Authors
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May support echocardiography in select cases; leaves open diagnostic utility pending prospective validation.
Does the differential density sign on chest radiograph predict the presence of pericardial effusion on echocardiography in patients with suspected effusion?
The differential density sign on chest radiography is a useful indicator of pericardial effusion and should prompt echocardiographic evaluation when present.
Tehranzadeh et al. (1979) studied this question.
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