简介:Introduction,Chronicpericarditisisinflammationthatbeginsgradually,islonglastingandresultsinfluidaccumulationinthepericardialspaceorthickeningofthepericardium.Therearetwomaintypesofchronicpericarditisa)chroniceffusivepericarditis,fluidslowlyaccumulatesinthepericardialspacebetweenthetwolayersofthepericardium.