Table 2: The changes of st-segment of electrocardiograms among different groups ( , mV).

GroupDose (g·kg−1)St-segment elevation at different time after ligation
0 h 0.5 h 1 h 2 h

Control
Model * * * *
DDP 0.14 # #
SDG 0.70 #
MDG 1.40 #
LDG 2.80 # # #

Note: * , compared with the positive drug group; # , compared with the model group.