Hysteroscopy is a gold standard method for evaluating the uterine cavity and diseases, which
is gradually becoming a day-surgery in China. Propofol is one of the most commonly used
intravenous anesthetics in clinic for hysteroscopic procedures, however high dose propofol
bring some potential clinical safety hazards.In this study, the feasibility and safety of
Etomidate combined with propofol(1:2) as improved scheme for hysteroscopic surgery will be
evaluated.