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 ...

Recurrent pericarditis happens when inflammation of the heart’s protective sac returns after you’ve been symptom-free for at least 4 months. It affects up to 30% of people who experience acute ...

Myocarditis and pericarditis are types of heart inflammation. Myocarditis affects the middle layer of heart muscle, and pericarditis only affects the heart’s outer lining. Myocarditis and pericarditis ...

Recurrent pericarditis occurs when inflammation of the pericardium (the sac surrounding the heart) returns after a symptom-free period of at least 4 weeks. It affects 15% to 30% of people with acute ...