临床分析本例有以下特点:(1)7(1/2)月早产儿。(2)生后10天出现咳嗽。(3)病情重,发展快。入院时就有心肺功能不全,第3天出现硬肿,第4天出现右肺呼吸音低而死亡。(4)血白细胞总数及粒细胞增高,血小板数明显降低。根据本病例特点分析讨论如下: 患儿有咳嗽、气急、二肺密布细湿罗音,肺炎可确定。新生儿肺炎X线表现不典型,可仅见肺纹增加及由于代偿性肺气肿而透亮度增加,胸透未见特殊仍不能否定肺炎。新生儿特别是早产儿患肺炎后经常会缺乏肺炎的典型症状,有时仅有拒奶、无力、面色苍白或发绀,呼吸浅快(喘憋),口吐泡沫等, Clinical analysis of this case has the following characteristics: (1) 7 (1/2) months of premature children. (2) cough after birth 10 days. (3) heavy illness, rapid development. There was cardiorespiratory insufficiency at admission, with a hard swelling on day 3 and a low right lung breath on the fourth day. (4) the total number of leukocytes and granulocytes increased, the number of platelets decreased significantly. According to the analysis of the characteristics of the case are discussed as follows: Children have cough, shortness of breath, lungs dense cloth wet rales, pneumonia can be determined. X-ray neonatal pneumonia was not typical, only increased lung markings and due to compensatory emphysema and increased translucency, no special chest X-ray can not deny pneumonia. Neonates, especially those with premature neonatal pneumonia, often lack typical symptoms of pneumonia and sometimes only have milk refuses, weakness, pale or cyanosis, shortness of breath (wheezing) and vomiting bubbles.