Fig. 2.

Hemodynamic parameters in three setting of VT. ^# - significant difference 8 ml/kg vs. 6 ml/kg group; ^$ - significant difference 10 ml/kg vs. 8 ml/kg group; ^* - significant difference 10 ml/kg vs. 6 ml/kg group. HR: heart rate; MAP: mean arterial pressure; PPV: pulse pressure variation