(a) Photomicrograph of cardiac section of normal rats shows the normal architecture. The section stained with haematoxylin and eosin (×40). (b) Photomicrograph of cardiac section showed extensive necrosis, contraction bands, and hemorrhage. The section stained with Haematoxylin and Eosin (×40). (c) Photomicrograph of cardiac section in MK-886 treated group. The section stained with Haematoxylin and Eosin (×40). (d) Photomicrograph of cardiac section in DITPA treated group. The section stained with Haematoxylin and Eosin (×40).