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Verywell Health on MSNCommon Pericarditis Symptoms (and How Pericarditis Is Diagnosed)A pericardial friction rub is a "scratchy" or "squeak" heart sound caused by the rubbing of the inflamed tissue layers of the ...
A pericardial effusion occurs when a significant amount of fluid fills the pericardial space. Individuals without pericardial effusion have a small amount of pericardial fluid (15 mL to 50 mL ...
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