Whereas initially arterial oxygenation may be normal and slight hypocapnia may be present, worsening obstruction and tiring patients may exemplify arterial hypoxemia and hypercapnia.
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。
The attack of pulmonary heart disease was caused by respiratory tract infection. And that resulted in and exacerbated the hypoxemia and hypercapnia which caused the injury of organs.
呼吸道感染是肺心病急性发作的诱因，而由此引起和加重低氧血症和高碳酸血症是导致多脏器损伤的主要原因。
The attack of pulmonary heart disease was caused by respiratory tract infection. And that resulted in and exacerbated the hypoxemia and hypercapnia which caused the injury of organs.
呼吸道感染是肺心病急性发作的诱因，而由此引起和加重低氧血症和高碳酸血症是导致多脏器损伤的主要原因。
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