刘XX，男，24岁，1996年9月12日初诊，因拔到前倾位阻生牙，2％盐酸利多卡因阻滞麻醉，20分钟内患者出现面色苍白，问话无反应，脉搏细而弱，肢端冰凉。血压4／okPa，心率60次／分，律齐、立即给子卧位，吸氧，肌注OI％肾上腺素0．sml。50％葡萄糖40Tnl加地塞米松IOmg静脉推注 Liu XX, male, 24 years old, September 12, 1996 Newly diagnosed, due to pull to the front of the impeding teeth, lidocaine hydrochloride block anesthesia, 20 minutes the patient appeared pale, no response to questions, pulse Thin and weak, extremities cold. Blood pressure 4 / okPa, heart rate 60 beats / min, law Qi, immediately to the supine position, oxygen, intramuscular OI% epinephrine 0. sml. 50% glucose 40Tnl plus dexamethasone IOmg intravenous injection