克雷伯杆菌肺炎约占细菌性肺炎的1～2％,多见于年老,营养不良、全身衰竭及原患慢性支气管炎或肺疾患及长期应用激素的病人。为医院内感染的重要致病菌。细菌可通过病人的相互接触,或经呼吸器、静脉输液而传播。原发性肺炎杆菌肺炎呈大叶或大叶融合的实变征象,右上肺较多见。渗出液中含大量中性粒细胞,少量红细胞。细菌在肺泡内生长繁殖,破坏怖泡壁,引 Klebsiella pneumoniae accounts for about 1 ~ 2% of bacterial pneumonia, more common in elderly, malnutrition, systemic failure and the original chronic bronchitis or lung disease and long-term use of hormone in patients. Hospital for the infection of the important pathogens. Bacteria can be transmitted through the patient’s contact with each other, or through the respirator, intravenous infusion. Primary pneumococcal pneumonia was large or large lobe consolidation of solidification signs, right upper lung more common. Exudate contains a large number of neutrophils, a small amount of red blood cells. Bacteria in the alveoli growth and reproduction, destroy the bad bubble wall, cited