Iv MH 40mg/kg increased cardiac output(CO), stroke index (SI), cardiac index (CI) significantly. The index of myocardial contracti- lity (dy)/(dt)| max, Heather index (HI) were increased and Q-Y intervals shorte- ned.

• 静注MH40mg/kg使心脏泵功能指标2CO；SJ；CI分别增加25.；9±17