Pericarditis can also be seen in autoimmune diseases, like rheumatoid arthritis, scleroderma, or systemic lupus erythematosus, because the immune system attacks its own tissues, including the pericardium.

心包炎也可继发于自身免病，如类风湿关节炎、硬皮病或红斑狼疮；此时免攻击包括心包在内的自身组织。