“ Look for evidence of a pericardial effusion. Symptoms (cardiac tamponade) relate to both the volume of the effusion and speed of accumula...
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Look for evidence of a pericardial effusion.
Symptoms (cardiac tamponade) relate to both the volume of the effusion and speed of accumulation.
Plain film
• Normal until fluid volume >250 mL.
• Bilateral hila overlay sign, globular enlargement of the heart (gives a ‘water bottle’ appearance).
• On a lateral chest x-ray, the signs are the epicardial fat pad sign (epicardial fat separated from pericardial fat by a lucent line) and filling in of the retrosternal space.”
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