例 1:患者男 ,65岁 ,主因头痛 5年近日加重 ,以脑动脉硬化入院。患者有糖尿病史、动脉硬化史 ,无药物过敏史。患者入院后给予脉络宁注射剂 (南京金陵制药厂 ,生产批号 990 4 192 ) 2 0ｍｌ加 5%葡萄糖注射液2 50ｍｌ静脉滴注。当液体滴入约 1ｍｉｎ ,患者即感全身麻木、头胀痛 Example 1: Male patient, 65 years old, due to headache for 5 years recently aggravated to cerebral arteriosclerosis hospitalization. Patients have a history of diabetes, history of atherosclerosis, no history of drug allergy. Patients admitted to Mailuoning injection (Nanjing Jinling Pharmaceutical Factory, production lot number 990 4 192) 20ml plus 5% glucose injection 2 50ml intravenous infusion. When the liquid drops about 1min, the patient is feeling numbness, head pain