Pericarditis is swelling of the pericardium, the sack-like membrane that contains the heart. Pericarditis can cause sharp pain in the chest. In most cases, pericarditis will pass without treatment. In ...
Pericarditis is inflammation of the sac around the heart, called the pericardium. If pericarditis becomes chronic, it can lead to pericardial effusion. This is when the pericardium fills with fluid.