Echocardiography Chapter 10: Pericardial Disease Flashcards
How does pericardial effusion affect the intracardiac pressures?
Effusion will exert an extracardiac pressure on the heart’s chambers, which will resist the normal intracardiac pressures.
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How can you distinguish pericardial effusion from pleural effusion in an echocardiogram?
In PLAX, pericardial effusion will appear anterior to the descending aorta, while pleural effusion will appear posterior to the descending aorta.
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How can a pericardial effusion be distinguished from a pericardial fat pad?
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An effusion will be anechoic, since effusion is primarily composed of water, which doesn’t reflect sound. A fat pad will be more echogenic, since fat reflects some sound.
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