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When listening to the heart with a stethoscope, the health care provider can hear a typical sound called a pericardial rub. The heart sounds may be muffled or distant. There may be other signs of fluid in the pericardium (pericardial effusion).
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If the disorder is severe, there may be crackles in the lungs, decreased breath sounds, or other signs of fluid in the space around the lungs (pleural effusion).
If fluid has accumulated in the pericardial sac, it may show on:
These tests show enlargement of the heart from fluid collection in the pericardium, and signs of inflammation. They may also show scarring and contracture of the pericardium (constrictive pericarditis). Other findings vary depending on the cause of pericarditis.
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