and when the compression percentage is less than 20%,the compression pressure at the near end rises quickly and that at the far end transits from instability to reverse di...

• 当冠状动脉面积收缩到小于原来的20%25时；近段收缩压迅速上升；远段压力从不稳定状态迅速过渡到收缩压呈反向分布状态.；心率和近段血压范围不变时；流量随着收缩程度的增加而增加