...稳定后手术开始前,A组静脉注射咪达唑仑0.05~0.07mg/kg和芬太尼2μg/kg。B组静脉注射氟哌利多0.05~0.07mg/kg和芬太尼2μg/kg。C组静脉注射度冷丁0.8~1mg/kg和异丙嗪0.5mg/kg。术中未用其它镇痛镇静药。术中连续监测并记录心率(HR)、...