患者,男,50岁,因上呼吸道感染在当地卫生所肌注庆大霉素1天,每天2次,每次4万 u,无反应。次日第二次注射后约10分钟,病人出现头昏、心慌、胸闷、呼吸困难、恶心、呕吐、出汗等,而 The patient, male, 50 years old, had gentamicin intramuscularly for 1 day at the local clinic because of upper respiratory tract infection, 2 times a day, 40,000 u times each time. There was no response. About 10 minutes after the second injection the next day, the patient developed dizziness, palpitation, chest tightness, difficulty breathing, nausea, vomiting, sweating, etc.