Pericardial sinus
Pericardial sinus
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Pericardial sinus

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Pericardial sinus

The pericardial sinuses are impressions in the pericardial sac formed between the points where great vessels enter it.

There are three pericardial sinuses: superior, transverse and oblique.

During pericardial effusion, fluid may build up in the pericardial sinuses. This may be diagnosed with transoesophageal echocardiography.

Public domain This article incorporates text in the public domain from page 526 of the 20th edition of Gray's Anatomy (1918)

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