Irritation : The heart (cardium) exists in a sac (like a zip lock bag) called the pericardium. Irritation from viral or bacterial or TB infection, heart attack, rheumatic and other disease can cause irritation and pain of pericarditis.
Answered 6/10/2014
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Chest pain: Pericarditis is inflammation of the sac surrounding the heart. The causes are multiple, including viral, bacterial, post heart attack, etc. The principal symptom is chest pain, which can change with position. Treatment is to clear the underlying problem and control the inflammation.
Answered 12/18/2019
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