Acute idiopathic pericarditis | Acute pericarditis | Acute pericarditis in diseases classified elsewhere | Acute pericarditis, unspecified | Other acute pericarditis | Other and unspecified acute pericarditis | Pericarditis | Pericarditis NOS | Pericarditis sicca | Pericarditis epistenocardiaca | Subacute pericarditis | Exudative pericarditis | Hydropericarditis | Relapsing pericarditis | Recurrent pericarditis | Pleuropericarditis |