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患者男,38岁。主因心前区剧痛约10小时急诊,入院前一天晚突然出现胸痛伴恶心,出汗,来查心电图ST段V_1-3又出现明显抬高,诊断“复发性心肌梗塞”收住院。给予吸氧极化液,丹参液等治疗,病情尚平稳,未发生严重并发症。治疗半月后心电图无明显改善,为改善心肌供血供氧.降低血粘度、改善微循环,加用低分子右旋糖酐250ml静点,第一次使用,静点3～5分钟,患者即出现全身皮肤搔痒,随之则胸憋,气短,呼吸困难,当即停药,给予吸氧,苯海拉明20mg肌注,病情仍无好转,出现面色苍白,唇发绀,大汗淋漓,呼吸急促,心音听不清,脉搏微弱,血压下降至10.7/8.0kPa,四肢发凉,意识模糊,诊断为“过敏性休
Male patient, 38 years old. The main cause of acute pain about 10 hours before emergency, the day before admission suddenly appeared with chest pain with nausea, sweating, to check the ST segment V_1-3 electrocardiogram appeared again significantly elevated, the diagnosis of “recurrent myocardial infarction” admitted to hospital. Given oxygen absorbing solution, salvia miltiorrhiza treatment, the condition is still stable, no serious complications. Half a month after treatment, no significant improvement in ECG, to improve myocardial oxygen supply. Reduce blood viscosity, improve microcirculation, add low molecular weight dextran 250ml static point, the first use, static point 3 to 5 minutes, the patient appeared systemic skin itching , Followed by the chest Biezhu, shortness of breath, difficulty breathing, immediately stop taking oxygen, diphenhydramine 20mg intramuscular injection, the condition is still no improvement, pale, lips cyanosis, sweating, shortness of breath, heart sounds do not listen Clear, weak pulse, blood pressure dropped to 10.7 / 8.0kPa, cold limbs, confusion, diagnosed as "allergic