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患者杨某,女,34岁。因残根要求拔除就诊。术前常规询问病史,无拔牙禁忌症。选择2％利多卡因(江苏省太兴县制药厂产)行局部浸润麻醉,注射约1ml时,患者突然感觉左侧上唇部疼痛剧烈,并向同侧颊部、耳颞部放射,面、颈部灼热感明显,立即停止注射。体检:患者神清,痛苦面容,无心慌、胸闷感,脉搏80次/分,呼吸20次/分,血压21.3/14.1kPa,两眼球结膜充血,瞳孔对光反射灵敏。颌面部、两耳、颈部、前胸1/3部、肩胛区皮
Yang patients, female, 34 years old. Removal due to residual root treatment. Preoperative routine medical history, no tooth extraction contraindications. Select 2% lidocaine (Jiangsu Province, Tai Hing Pharmaceutical Factory) local anesthesia, injection of about 1ml, the patient suddenly felt the left upper lip pain, and to the ipsilateral cheek, ear and ear radiation, surface, Neck burning sensation, immediately stop injection. Physical examination: patients Shenqing, painful face, no palpitation, chest tightness, pulse 80 beats / min, breathing 20 beats / min, blood pressure 21.3 / 14.1kPa, conjunctival congestion of both eyes, the pupil sensitive to light reflex. Maxillofacial, ears, neck, chest 1/3, scapular skin