患者,男,54岁。因咳嗽、咯痰半个月,咯血3d余,加重4h于2014年3月27日急诊入院。既往体健,有氨基酸及辅酶类药物过敏,自述曾口服头孢类药物,无过敏。入院查体:T36.5℃,P 78次/min,R 24次/min,BP 90/60mm Hg(1mm Hg=0.133k Pa)。胸部CT提示右中叶斑片状毛玻璃影。初步诊断 Patient, male, 54 years old. Due to cough, sputum for half a month, hemoptysis more than 3d, aggravating 4h in March 27, 2014 emergency admission. Past physical health, amino acids and coenzymes allergy, self-reported oral cephalosporins, no allergies. Admission examination: T36.5 ° C, P 78 beats / min, R 24 beats / min, BP 90/60 mm Hg (1 mm Hg = 0.133k Pa). Chest CT prompted the right middle leaf patchy frosted glass. initial diagnosis