例1，女，9岁。因患支气管炎给庆大霉素4万单位肌注，5—10分钟后患儿突感心慌。查：全身冷汗，四肢凉，面色苍白，脉细弱不清，血压10/0。经1‰肾上腺素0.5ml肌注，给O_2，50％葡萄糖20ml加氢化可地松100mg静推，15分钟后一般情况好转，血压80/60，继给10％葡萄糖200ml加氢化可地松50mg静滴，住院观察2天痊愈出院，既往有青、链霉素过敏史。 Example 1, female, 9 years old. Bronchitis due to gentamicin 4 million units intramuscular injection, 5-10 minutes after the sudden onset of confusion in children. Check: whole body cold sweat, cold limbs, pale, pulse weak, blood pressure 10/0. After 1 ‰ 0.5ml intramuscular injection of epinephrine, O_2 50% glucose 20ml hydrocortisone 100mg static push, 15 minutes after the general turn for the better, blood pressure 80/60, followed by 10% glucose 200ml hydrocracking 50mg loose intravenous infusion, hospitalized 2 days cured, discharged, past history of cyanosis, streptomycin allergy history.