一天上午,一名10岁左右的孩子在妈妈的陪同下走进我的诊室。妈妈心急火燎地对我说到,这孩子在早晨起床时经常感到头晕,当时她面色苍白,有时还出现恶心、呕吐,平时容易疲劳,稍微活动后就觉得心慌。我见这女孩左侧额头上有一块皮肤擦伤,下面还鼓起一个小包,这显然是头晕跌倒引起的头皮 One morning, a 10-year-old child went to my clinic with her mother. Mother told me in an impatient manner that the child often felt dizzy when getting up in the morning when she was pale and sometimes nauseated and vomited. She was usually fatigued and felt flustered after a few activities. I saw a bruised skin on the left forehead of the girl and a small bag underneath, apparently a dizzy scalp