Causes of acute pericarditis

• Idiopathic
• Infective
• viral (Coxsackie B, influenza, herpes simplex)
• bacterial (Staphylococcus aureus, Mycobacterium tuberculosis)
• Connective tissue disease
• systemic lupus erythematosus
• rheumatoid arthritis
• polyarteritis nodosa
• Uraemia
• Malignancy (e.g. breast, lung, lymphoma, leukaemia)
• Radiation therapy
• Acute myocardial infarction
• Post myocardial infarction/cardiotomy (Dressler's syndrome)