We report a case of a 59-year-old woman who presented with worsening dyspnea which rapidly progressed to severe heart failure. Coronary arteries showed no obstruction. Supportive measures stabilized the patient's hemodynamics. Initially intravenous solumedrol was given, but when the patient's condition continued to deteriorate, intravenous immunoglobulin (IVIG) was added to the treatment regimen and her condition improved. Studies show no benefit to using immunosuppressive agents in viral myocarditis, but benefits have been demonstrated in other etiologies. Patients presenting with acute fulminant myocarditis with unknown etiology that continue to deteriorate with aggressive heart failure treatment may benefit from steroids and IVIG.