All are causes of myocarditis except
Refer robbins 9/e 571 Mycobacterium tuberculosis causes involvement of pericardium (caseous pericarditis). It is common cause of chronic constrictive pericarditis Primary pericarditis is unusual and is often viral in origin
Trichiasis
Mycobacterium tuberculosis
Corynebacterium diptheriae
SLE
Cardiovascular system