1病因诊断未明使用抗菌药物某老年男性患者,有心脏病史,因腹痛、腹泻到社区医院就诊,医生经过简单问诊后,认为是急性胃肠炎,应用左氧氟沙星静滴。2天后又联用头孢噻肟钠。在输液过程中患者出现胸闷、心慌症状,来我 An etiological diagnosis of unexplained use of antimicrobial drugs An elderly male patients with a history of heart disease, abdominal pain, diarrhea to the community hospital for treatment, the doctor after a simple interrogation, that is acute gastroenteritis, the application of levofloxacin intravenous infusion. Two days later with cefotaxime sodium. In the process of infusion patients with chest tightness, palpitation, come to me