惊厥是儿科常见的急性症状,病因较多,其中部分患儿是由某些营养物质缺乏或过多引起的.低血钙症新生儿与学龄前儿童容易发病,多数因缺乏维生素D影响钙吸收所致.阵发性惊厥,一日数次至数十次不等,每次持续数秒钟或数分钟,也可偏重于一侧或只限于面部小抽动.发作时伴意识丧失、发绀,过后神情如常.新生儿多表现为惊跳、不安、肢体震颤、摒气与喉痉挛等;较大儿童则以阵发性手脚抽搐为突出表现. Convulsion is a common pediatric acute symptoms, more etiology, some of which are caused by the lack of certain nutrients or excessive hypocalcemia neonates and preschool children prone to disease, most of the lack of vitamin D affect calcium absorption Due to paroxysmal convulsions, several times a day to dozens of times, each time for a few seconds or minutes, but also can be biased on one side or limited to face twitching. Attack with loss of consciousness, cyanosis, after the look As usual, many newborns showed jittery, restlessness, limb tremors, gas and laryngeal spasm; while older children with paroxysmal twitch hands and feet as a prominent manifestation.