患者,女,20岁。因“咳嗽、咳痰5 d”来急诊。既往有青霉素和头孢菌素类过敏史。体检:体温38.3℃,心率87次/min,呼吸16次/min,血压120/80mmHg(1mmHg=0.133kPa),咽部充血,双肺呼吸音粗,可闻及湿啰音,心腹查体无明显异常,胸片示双肺中内带纹理增强紊乱,以右下肺明显。诊断为急性支气管炎,给予注射用氨曲南2g Patient, female, 20 years old. Because of “cough, sputum 5 d ” to emergency. Past history of penicillin and cephalosporins allergy. Physical examination: body temperature 38.3 ℃, heart rate 87 beats / min, breathing 16 beats / min, blood pressure 120 / 80mmHg (1mmHg = 0.133kPa), pharyngeal hyperemia, lung breath sounds thick, can be heard and wet aura, Obvious abnormalities, chest X-ray showed enhancement of internal texture within the lungs to clear the right lower lung. Diagnosis of acute bronchitis, given aztreonam injection 2g