👉 Hydropericarditis is a condition characterized by inflammation of the heart's pericardium, which is the outer layer of the heart. In this case, it refers to the inflammation of the pericardium or the lining of the heart's cavity. The term "hydropericarditis" comes from the Latin word "hydro," meaning water, and "pericardium," which refers to a tissue that is composed primarily of muscle cells. The condition can be caused