邻居家的强强今年8岁,原来活泼好动,每天早早就去上学了。然而近来强强老是迟到,老师访问家长,才知强强常诉晨起头晕,脸色苍白,有时恶心、呕吐,因此,延误了上学。老师想起近来强强打扫卫生也容易疲乏,上体育课时也常常发病。为此,家长十分紧张,带强强到医院去检查。医生说,强强是患了“直立性调节障碍”。这种现象多见于7岁～12岁的中小学生。患有该病的小孩晨起常头晕,脸色苍白、恶心、呕吐,上体育课时,站立稍久或由蹲位起立时会感到头晕、眼花、胸闷、心慌。强强小小的年龄为什么会出现上述现象呢?当人体处在不同的体位状态时,全身各处的血液分布是不相同的,正常人由卧位或坐位、蹲位起立时,通过植物神经的调节, The strength of the neighbor is 8 years old this year, the original lively, go to school early every day. However, recently the mighty is always late. When the teacher visited his parents, he found himself often dizzy, pale and sometimes nauseous and vomiting. Therefore, he delayed his schooling. The teacher remembered recently that cleaning is also very easy to get rid of, and it is also common in physical education classes. To this end, parents are very nervous, with strong to the hospital to check. The doctor said that the strong is suffering from “upright adjustment disorder ”. This phenomenon more common in primary school students aged 7 to 12 years old. Children with the disease often get dizzy in the morning, pale, nausea, vomiting, physical education, standing slightly or squatting standing up will feel dizzy, vertigo, chest tightness, palpitation. When the human body is in a different posture, the blood distribution throughout the body is not the same, the normal from the supine or sitting, squatting standing up, through the autonomic nerve The regulation,