起初动脉的氧合可能是正常的，也可能出现轻微的低碳酸血症，随着阻塞的加重，病人则出现典型的低氧血症和高碳酸血症。
Whereas initially arterial oxygenation may be normal and slight hypocapnia may be present, worsening obstruction and tiring patients may exemplify arterial hypoxemia and hypercapnia.
结果低氧高碳酸血症条件下，心交感神经传出冲动发放频率明显增加，心肌耗氧量增加，心肌收缩能力增强。
Results The simulation experiments show that cardiac sympathetic activities, cardiac oxygen consumption and myocardiac contractility increased during hypercapnia hypoxia.
目的：探讨高氧液经静脉和消化道对高原低氧血症的作用。
AIM: To observe the therapeutic effects of hyperoxia solution orally or transvenously on hypoxemia in high altitude.
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