Figure 1: Endomyocardial biopsy: (a) Adequate biopsy with more than 50% of the area is occupied by myocytes (b) inadequate biopsy containing mainly blood clot with few myocytes (c) borderline myocarditis without myocyte necrosis (d) myocarditis with myocyte damage (positive Dallas criteria) (e) myocarditis with positive Dallas criteria and marked replacement fibrosis (Grade 3) (f) granulomatous inflammation with Langhans type of giant cell (sarcoidosis).