Table 17. - Indications for immunosuppressive therapy in myocarditis.

Indications	Class	Level of evidence
In the presence of positive myocarditis – giant cell, autoimmune disorders, sarcoidosis, and eosinophilia – associated with ventricular dysfunction	I	B
In the presence of endomyocardial biopsy-proven positive myocarditis and negative viral screening in patients with chronic heart failure, with the purpose of improving clinical status and ventricular function	IIa	B
In acute heart failure unresponsive to standard therapy	III	C