IgG4-related pericarditis

Learning points for cliniciansIgG4-related disease (IgG4RD) should be considered as a potential cause of pericarditis.Early diagnosis and treatment of IgG4-related pericarditis can prevent pericardial fibrosis and subsequent heart failure.A multidisciplinary team approach, including comprehensive imaging studies and histopathologic confirmation, is required for proper management of IgG4RD.