我们对单纯丙泊酚、丙泊酚与咪达唑仑、丙泊酚与芬太尼3种配伍分别用于无痛胃镜的效果进行了研究。麻醉前10 min,口服利多卡因胶浆10 ml (含10 g)。插镜前A组给予丙泊酚1.5～2 mg/kg静脉注射,B组给予咪达唑仑2 mg静脉注射,随后给予丙泊酚1.5～2 mg/kg静脉注射,C组给予芬太尼0.05mg静脉注射,随后给予丙泊酚1.5～ We were simple propofol, propofol and midazolam, propofol and fentanyl three kinds were used for painless gastroscopy were studied. 10 min before anesthesia, oral lidocaine paste 10 ml (containing 10 g). Group A received intravenous injection of propofol 1.5-2 mg / kg before group A, group B received intravenous injection of midazolam 2 mg, and then received 1.5-2 mg / kg propofol intravenously. Group C received fentanyl 0.05mg intravenous injection, followed by propofol 1.5 ~