Possible causes of relapsing pericarditis
| • Idiopathic pericarditis |
| • Viral pericarditis |
| • Post-myocardial and pericardial injury syndromes |
| – post-myocardial infarction syndrome |
| – post-pericardiotomy syndrome |
| – post-traumatic pericarditis |
| • Vasculitis–connective tissue diseases |
| • Other (very rare) |