硫贲妥钠作为全麻诱导药，主要抑制上行性网状激活系统，以催眠及昏睡为主，能缩短全麻诱导期。但对循环系统功能有抑制作用，用药后血压可能不同程度的下降。尤其情况差，心功能欠佳的病员如用药量相对较大，注射速度过快，对心肌收缩力和血压影响则明显，可引起不良后果... Thiopental sodium as general anesthesia inducing drugs, the main inhibition of the upper reticular activation system to hypnosis and lethargy, can shorten the induction period of general anesthesia. But inhibit the function of the circulatory system, blood pressure may decline in varying degrees after treatment. In particular, poor conditions, patients with poor heart function, such as the use of drugs is relatively large, injection speed too fast, the impact of myocardial contractility and blood pressure is obvious, can cause adverse consequences ...