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一、发病经过: 患者纪××,女、二十九岁,于今年一月九日上午来本科门诊,诊断为“8无对(牙合)牙”,建议拔除。患者以往有“晕针史”,对普鲁卡因过敏。用2％赛洛卡因4C.C作8局部侵润麻醉,注射时抽无回血,速度缓慢,注射到3C.C时,患者自觉不适,恶心、面色苍白、胸闷。即停止注射,并立即放至平卧位,患者自觉好转,脸色渐渐转红,即在腭大孔注射麻药0.5C.C,患者无不适,迅速拔除8。手术顺利,平卧休息。此时,发现病人面色又转苍白,问其感觉,仅用手指胸口不适,即测脉博,脉慢而弱,每分钟50次。密切注视心率变化,发现心率继续减慢,约2分钟后,病人突然心搏骤停,随之呼吸消失,患者人事不省,反射消失。
First, the incidence after: The patient Ji ×, female, 29 years old, to the undergraduate clinic on January 9 this year, diagnosed as “8 no right (occlusal) teeth”, the proposed removal. Patients in the past have “fainting history”, procaine allergy. With 2% cocaine 4C.C for 8 invasive infiltration anesthesia, injection pumping back to the blood, slow, injection to 3C.C, the patient consciously discomfort, nausea, pale, chest tightness. That is to stop injection, and immediately put to supine position, the patient consciously improved, his face gradually turn red, that is, in the palate large hole injection of anesthetic 0.5C.C, patients without discomfort, rapid removal of 8. Smooth operation, supine rest. At this point, I found the patient turned pale again and asked her feeling, only with the chest uncomfortable, that is, measuring pulse, pulse slowly and weakly, 50 times per minute. Close attention to changes in heart rate, heart rate continued to slow down, about 2 minutes later, the patient suddenly cardiac arrest, followed by breath disappear, the patient is unconscious, the reflection disappears.