患者,女,23岁,因左手腕部骨折来院急诊科诊治。既往无药物及食物过敏史,无上肢痛、头痛、眼疾等疾病史。体检:T 36.5℃,P 79次/min,R 19次/min,BP 115/90 mmHg。患者疼痛难忍,来院后医生医嘱立即给予地佐辛注射液(扬子江药业集团有限公司、批号110232221)5 mg im,2 min后患者左上肢疼痛、尤以头痛、颈部为重并相继出现视物模糊、 Patient, female, 23 years old, was diagnosed by emergency department because of left wrist fracture. No past history of drug and food allergies, no upper limb pain, headache, eye diseases and other diseases. Physical examination: T 36.5 ° C, P 79 breaths / min, R 19 breaths / min, BP 115/90 mmHg. Patient pain unbearable to hospital doctors immediately give dezocine injection (Yangtze River Pharmaceutical Group Co., Ltd., lot number 110232221) 5 mg im, 2 min after the patient’s upper left leg pain, especially in the headache, neck and weight have emerged Blurred vision,