患儿,女,23天。因阵发性咳嗽伴发绀天入院。足月顺产。生后15天开始咳嗽、喷嚏、低热,有时口吐沫,按上感治疗无效,咳嗽日渐加重,咳有痰声。入院前一日晚,患儿突然连咳几声后出现颜面及全身青紫,转来我院。患儿未接受过任何预防接种。当时当地有百日咳流行,患儿生后第3天间与百日咳患儿接触。父母健康。入院查体:一般情况可,除双肺呼吸音粗糙外无明显阳性体征。白细胞26800/mm,杆状核1％,分叶38％,淋巴细胞59％,单核2％。咽拭子标本细菌培养阴性。 Children, women, 23 days. Because of paroxysmal cough accompanied by cyanosis admission. Full-term follow-up. 15 days after birth began to cough, sneeze, fever, and sometimes spit foam, according to the sense of treatment is invalid, increasing cough, cough phlegm. The day before admission, children suddenly cough after a few coughs and body bruising, turn to our hospital. Children have not received any vaccination. Pertussis was endemic at the time, and the third day of life after the child was exposed to whooping cough. Parents health. Admission examination: The general situation can be, except for the lungs respiratory sound rough no obvious positive signs. White blood cells 26800 / mm, rod 1%, lobulation 38%, lymphocytes 59%, mononuclear 2%. Throat swab specimens were negative for bacterial culture.