BAX and hydrops fetalis: The relative mRNA expressions of Bax of HF zebrafish in the SYDC-H treatment group and digoxin treatment group were significantly decreased compared with those of HF zebrafish in the model control group (1.34 ± 0.03 versus 695.36 ± 31.39; 1.09 ± 0.06 versus 695.36 ± 31.39, p < 0.001).