Pericarditis is an inflammation of the membrane that surrounds the heart. The pericardium is a double later membrane that surrounds the heart, providing the heart with cushion and protection. In this article we’ll discuss its symptoms, diagnosis, treatment, and prevention.What Causes Pericarditis?There are many things that can cause pericarditis, including: Infections: Viruses are the most common cause of pericarditis. Other …