A pericardial effusion is the buildup of excess fluid between the heart and the sac surrounding the heart, known as the pericardium. Pericardial effusion is the buildup of an excess amount of fluid in ...

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.