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患儿,男,4岁,体重15kg,住院号40527。因左侧腹股沟斜疝住院手术治疗,术前检验、检查未发现异常,拟行左腹股沟斜疝修补术,选择氯胺酮全麻。术前禁饮食6小时,麻醉前半小时肌注苯巴比妥钠0.05g、阿托品0.2mg。入室后静脉输液10%葡萄糖200ml,30滴/分,用美国产MINDRY503监测血氧饱和度和脉搏。肌注氯胺酮75mg(5mg/kg)、安定1.5mg(0.1mg/kg),2分钟后患儿平稳入睡。透明面罩1.5L/min纯氧持续吸入。5分钟后手术未开始,患儿出现面色潮红,呼吸急促,口唇紫绀,口角有白色泡沫样分泌物溢出,心率达180次/分,血氧饱和度从98%降至80%～60%。颈部
Children, male, 4 years old, weighing 15kg, hospital number 40527. Due to the left inguinal hernia hospitalized surgery, preoperative examination, examination showed no abnormalities, the proposed left inguinal hernia repair, choose ketamine anesthesia. Preoperative diet for 6 hours, half an hour before anesthesia intramuscular injection of sodium phenobarbital 0.05g, atropine 0.2mg. Ventricular infusion after infusion of 10% glucose 200ml, 30 drops / min, with the United States MINDRY503 to monitor blood oxygen saturation and pulse. Intramuscular injection of ketamine 75mg (5mg / kg), stability and 1.5mg (0.1mg / kg), 2 minutes after the children fell asleep smoothly. Transparent mask 1.5L / min pure oxygen continuous inhalation. After 5 minutes, the operation did not start. The patient developed flushing, shortness of breath, cyanosis of the lips, and spilled white foamy discharge at the mouth. The heart rate reached 180 beats / min and the oxygen saturation decreased from 98% to 80% -60%. neck