The term pericardium is derived from the Greek prefix peri- (“around”) and kardia (“heart”), implying a structure that envelops or encloses the heart. Morphologically, the pericardium is a fluid ...

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 ...