大叶性肺炎为细菌引起的急性肺部炎症,主要致病菌为肺炎链球菌。在冬、春季节发病较多。多见于青壮年,临床上起病急,以突发高热、恶寒、胸痛、咳嗽、咳铁锈色痰为临床特征。血化验检查白细胞总数及中性粒细胞明显增高。1病理变化炎性渗出主要发在肺泡,而支气管及间质很少有改变。其病理改变可分为四期:1.1充血期发病后12~24h,此时肺部毛细血管扩张、充血,肺泡内有浆性渗出液,其内混有少量的红细胞、中性粒细胞 Lobular pneumonia is caused by bacterial acute lung inflammation, the main pathogen Streptococcus pneumoniae. More incidence in winter and spring. More common in young adults, acute onset of clinical emergency to high fever, aversion to cold, chest pain, cough, cough, rust phlegm as the clinical features. Blood tests to check the total number of leukocytes and neutrophils was significantly higher. 1 pathological changes Inflammatory exudate mainly in the alveoli, bronchial and interstitial little change. The pathological changes can be divided into four phases: 1.1 after the onset of hyperemia 12 ~ 24h, when pulmonary telangiectasia, congestion, alveolar effusion within the pulp, which mixed with a small amount of red blood cells, neutrophils