论文部分内容阅读
小刚参加了校田径队,经常进行耐力性运动锻炼,最后,每次在运动后即感右上腹闷胀不适,去医院检查后发现肝脏增大。这可急坏了小刚的妈妈,连忙给小刚进行抽血、验肝功能等各项检查,结果肝功能等检查均正常,证实小刚没患肝炎。那这肝大因何而起呢? 一些观察表明:在较大运劝负荷下,肝脏的体积大都可较安静时增大。因为人体的内脏器官,特别是心、肺等器官,有一个适应运动的过程。在运动时,如果内脏器官还没有提高到应有的活动水平,却陡然加大运动强度,由于剧烈的肌肉活动,可以使回心血量猛增,而心脏不能迅速适应,静脉血液回流的阻力便增加,下腔静脉的压力随之上
Xiaogang participated in the school track and field team, regular endurance exercise, and finally, each time after exercise that right upper quadrant distention discomfort, go to the hospital and found the liver increased. This can be an urgent need Xiaogang’s mother, quickly Xiaogang blood, liver function tests and other checks, the results of liver function tests were normal, confirmed Xiaogang no hepatitis. What causes this liver? Some observations show that under the larger transport persuasion load, the volume of the liver can be increased mostly quieter. Because the body’s internal organs, especially the heart, lungs and other organs, there is a movement to adapt to the process. In exercise, if the internal organs have not been raised to the level of activity should be, but suddenly increased exercise intensity, due to intense muscle activity, can make a sharp increase in blood flow, and the heart can not quickly adapt to the resistance of venous return Increase, the pressure of the inferior vena cava will follow