为了探讨急诊患儿在某些检查或操作前应用镇静剂及麻醉剂的安全性，美国哈佛医学院的研究人员，最近就用药后不良反应的发生率及严重程度进行了调查研究。结果表明，这种不良反应的发生率只有２．３％，且无严重的危险性。 临床工作中，为了减低患儿的焦虑和疼痛反应，在某些检 In order to explore the safety of sedatives and anesthetics in emergency patients before some tests or operations, researchers at Harvard Medical School in the United States recently conducted a survey on the incidence and severity of adverse reactions after treatment. The results showed that the incidence of this adverse reaction was only 2.3%, and no serious risk. In clinical work, in order to reduce anxiety and pain reactions in children, in some seizures