病例摘要患儿,女,30天。因咳嗽、呼吸困难6天,纳差4天入院。六天前患儿开始咳嗽、呼吸困难,伴青紫及发烧;四天来吃奶差,当地医院诊断“肺炎、心衰”,给予抗菌素、强心等治疗无好转。患儿母乳喂养,生后2周改喂牛奶,发病来精神差,大小便正常。第一胎,足月,家中出生,出生情况不详。母亲自妊娠3个月开始有间断发热,未治 Case Summary Children, female, 30 days. Due to cough, difficulty breathing 6 days, admission 4 days admitted. Six days before the onset of cough, dyspnea, with bruising and fever; four days to nurse, local hospital diagnosis of “pneumonia, heart failure,” given antibiotics, cardiac therapy such as no improvement. Breastfeeding in children, 2 weeks after feeding to change milk, the incidence of poor spirit, normal urine. The first child, full-term, born at home, birth unknown. The mother has had intermittent fever since the first trimester of pregnancy and has not been cured