患女,32d,以咳嗽3d,抽搐1次入院。3d前开始单声咳,不发热。继之咳嗽频繁,呈阵阵连声咳,晨起较重,咳时喉中有痰咯不出。哺乳明显减少。伴有发热,腹泻,体温波动在38℃左右,无一定规律,无寒战,未抽风、呕吐。大便呈黄色糊状,无粘液及脓血,每日1～2次,每次量中。病后精神、食纳差,小便量少而黄。去当地医院就诊,测体温正常。按“上呼吸道感染”给配口服药物未服,予50％葡萄糖40ml静推后约5min后突然双眼上翻,意识丧失,呼吸暂停,面部肌肉颤动,双手握拳,四肢强直抽动约5min后缓解。患儿无多汗,易惊,睡眠不安病史,系足月顺产1胎,无宫内窘迫及产后窒息史,无外伤史。母乳喂养,母孕期无患病及服药史,生长发育正常,家族中无遗传病史。查体:T37C,P120次/min,R30次/min。神志清,精神萎靡,无发绀。轻度脱水貌。前囟约2cm× Women suffering, 32d, to cough 3d, convulsions 1 admission. Monocular cough before 3d, no fever. Followed by frequent coughs, was bursts of cough, morning heavy, cough throat sputum slightly. Nursing significantly reduced. Accompanied by fever, diarrhea, body temperature fluctuations at about 38 ℃, no certain law, no chills, no ventilation, vomiting. Stool was yellow paste, no mucus and pus and blood, 1 or 2 times a day, each volume. After the illness, poor appetite, less urine and yellow. Go to the local hospital for treatment, test the body temperature is normal. According to the “upper respiratory tract infection” with oral medication is not given, to 50% glucose 40ml after about 5min static push back suddenly double-fold, loss of consciousness, apnea, facial muscle fibrillation, hands fist, tetanic twitch about 5min after remission. Children without hyperhidrosis, easy to panic, sleep uneasy history, Department of full-term 1-year fetus, no intrauterine distress and postpartum asphyxia history, no history of trauma. Breastfeeding, mother-free period of illness and medication history, growth and development of normal, family history of no genetic disease. Physical examination: T37C, P120 times / min, R30 times / min. Conscious, apathetic, no cyanosis. Mild dehydration appearance. Anterior fontanel about 2cm ×