患者,男,50岁,以发热、咳嗽3 d就诊。既往过敏性鼻炎病史。体检:咽部充血,右肺呼吸音弱,心脏听诊无异常, 腹平软,肝脾肋下未及,肝肾区无叩痛,神经系统无异常。辅助检查:血常规WBC 12．3×109·L-1,N:87．4％,胸片示右下肺大片影,心电图及肝肾功能、血糖均正常,诊断大叶性肺炎 (右下叶),给予0．9％氯化钠注射液250 ml+头孢哌酮／舒巴 Patients, male, 50 years old, with fever, cough 3 d treatment. Past history of allergic rhinitis. Physical examination: pharyngeal congestion, right lung breath sounds weak, auscultation of the heart no abnormalities, abdominal soft, liver and spleen ribs and no, no percussion pain in the liver and kidney area, the nervous system no abnormalities. Auxiliary examination: blood WBC 12.3 × 109 · L-1, N: 87.4%, chest X-ray showed large right lower lung shadow, ECG and liver and kidney function, blood glucose were normal, diagnosis of lobar pneumonia (right lower lobe ), Given 0.9% sodium chloride injection 250 ml + cefoperazone / sulbactam