Acute pericarditis is a condition in which inflammation occurs in the pericardium, the fluid-filled sac that surrounds the heart. “Acute” means the condition develops quickly or suddenly. The ...

The inflammation or infection that occurs in the pericardium is called pericarditis. Inflammation of the pericardial layers ensues when the membrane gets thickened and the layers rub against each ...

Dressler’s syndrome is a rare but treatable type of inflammation in the sac surrounding the heart. It develops shortly after a heart injury, such as a heart attack, and may return after treatment. The ...