Pericarditis is inflammation of the lining around the heart that can cause pain and is often caused by a viral infection. It can be treated with anti-inflammatory medication and rest, but more severe ...

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 ...

Pericarditis chest pain may be worsened when you lie down. While acute cases resolve within a few weeks, the symptoms can still interfere with your ability to sleep. Pericarditis is a type of heart ...