GPT and hydrops fetalis: Moreover, pretreatment with 7-HF (5 mg/kg) + ISO significantly reduced serum level of cTnI (1.23 ± 0.04) (Figure 4A) and CK-MB (193 ± 5.81) (Figure 4B); however, no significant alteration was found in the serum level of LDH (570.93 ± 28.32), ALT (81.22 ± 3.49) and AST (105.72 ± 4.14) (Figure 4C–E).