Methods Midazolam and propofol were used in painless gastroscopy.The changes of blood pressure,heart rate and blood oxygen saturation were recorded and compared with the routine gastroscopy.

• 方法无痛胃镜组使用咪唑安定和丙泊酚(异丙酚)静脉麻醉下完成胃镜检查,术中检测心率、血压和血氧饱和度,并与常规胃镜组作对照。