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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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The most common cause of painful pericarditis is
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The correct answer is  The cause of pericarditis is believed to be most often due to a viral infection. Other causes include bacterial infections such as tuberculosis, uremic pericarditis, following a hea attack, cancer, autoimmune disorders, and chest trauma Ref: guyton and hall textbook of medical physiology 12 edition