Acute pericarditis

**Includes:** - acute mediastinopericarditis - acute myopericarditis - acute pericardial effusion - acute pleuropericarditis - acute pneumopericarditis

**Excludes1:** - Dressler's syndrome (I24.1) - rheumatic pericarditis (acute) (I01.0) - viral pericarditis due to Coxsackie virus (B33.23)