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| | CIGNA - Pericarditis |
 | | Pericarditis is inflammation of the pericardium, a membrane that surrounds the heart and its major blood vessels. |
 | | Less common causes of pericarditis are a heart attack, a bacterial infection, an injury to the chest, radiation treatments for cancer, kidney failure, HIV infection, tuberculosis, hypothyroidism, autoimmune diseases such as lupus, or certain drugs. |
 | | In the early stages of pericarditis, it may be difficult to tell whether the pain is from the inflammation or from a possible heart attack. |
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