Pericardial space

Last revised by Assoc Prof Craig Hacking on 25 Aug 2021

The pericardial space or cavity is the fluid-filled space between the parietal and visceral layers of the serous pericardium. In normal conditions, it contains only a small amount of serous pericardial fluid, usually 15-20 mL.

Related pathology

Pericardial effusion is the pathological accumulation of fluid. When this results in impairment of cardiac function, it is called pericardial tamponade.

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Cases and figures

  • Figure 1: pericardial sinuses (Gray's illustration)
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