患儿系第１胎第１产，３８周孕。因其母在产前１２小时，食用被亚硝酸盐污染的食物后，于６小时后出现心慌、胸闷、气促、唇及手指甲床发绀，伴恶心、呕心。并且进行性加重。继而出现腹泻、腹痛、于１２小时后分娩出一女婴。娩出时即见全身青紫、呼吸急促，立即转入我科抢救。 The first child in the first birth of children, 38 weeks of pregnancy. Because of her mother in the prenatal 12 hours, eating food contaminated with nitrite, after 6 hours palpitation, chest tightness, shortness of breath, lip and finger bed cyanosis, with nausea, nausea. And progressive increase. Then there was diarrhea, abdominal pain and a baby girl was delivered after 12 hours. See the whole body bruising at delivery, shortness of breath, immediately transferred to our department for treatment.