Pericardial disease are conditions that affect your pericardium. Your pericardium is a flexible, two-layered sac that surrounds your heart. Your pericardium contains your heart in your chest wall. It ...

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.

Constrictive pericarditis is a rare disorder that occurs when the thin sac that surrounds and protects the heart becomes stiff and thick, limiting the heart’s ability to pump blood. Symptoms may ...