本文介绍一些较新的静脉麻醉药的常见循环、呼吸和神经肌肉作用。氯胺酮(Ketamine)氯胺酮不论肌肉注射或静脉给药,其总效应均相同,但肌肉注射给药可使某些心血管作用减至最小。用氯胺酮麻醉后可发生分离麻醉状态,其特点是产生僵直样状态,患者常有肌张力增加,眼睑睁开。常可见与手术 This article describes some of the more common circulatory, respiratory and neuromuscular effects of intravenous anesthetics. Ketamine Ketamine has the same overall effect regardless of intramuscular or intravenous administration, but intramuscular administration minimizes certain cardiovascular effects. Anesthesia with ketamine can occur after anesthesia separation, which is characterized by a stiff state, the patient often have increased muscle tension, eyelid opened. Often visible and surgery