患者男性12岁因右下后牙自发性、阵发性疼痛夜间加剧2天于1994年3月6日就诊检查近中龋坏探±叩±松°热诊激惹疼痛发作临床诊断急性闭锁性牙髓炎既往无药物过敏史常规行下齿槽神经阻滞麻醉回抽无血后注射2%利多卡因2ml约1min后患者诉腹部不适头偏向一侧随后意识丧失两眼上... Patient Male 12 years old due to lower right posterior teeth spontaneous, paroxysmal nocturnal exacerbations 2 days in March 6, 1994 treatment check near caries bad probe ± knock ± pine ° hot diagnosis irritation pain attack clinical diagnosis of acute atresia No previous history of drug allergy Pulmonitis Gut Nerve block anesthesia Conventional blood-free injection of 2% lidocaine 2ml about 1min after the patient complained of abdominal discomfort head side then loss of consciousness on both eyes ...