Source:http://linkedlifedata.com/resource/umls/id/C0031046
MSH: Inflammation of the PERICARDIUM from various origins, such as infection, neoplasm, autoimmune process, injuries, or drug-induced. Pericarditis usually leads to PERICARDIAL EFFUSION, or CONSTRICTIVE PERICARDITIS.,NCI: A disorder characterized by irritation to the layers of the pericardium (the protective sac around the heart).,NCI: An inflammatory process affecting the pericardium.