Fig. 4

QHG ameliorates the myocardial pathological changes in sepsis (n = 3). (A) Histological analysis of heart via H&E staining (400×). (B) Cardiac ultrastructural analysis of heart via TEM (80kv×25000). Red arrows indicate disrupted myofibrillar architecture and disorganized cardiomyocyte structure, representing characteristic sarcomeric damage; Green arrows denote mitochondrial swelling with disorganized or indistinct cristae. Image acquired using a HITACHI H-7650 Transmission Electron Microscope.