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肺心病病人既有低氧血症,又有高碳酸血症。因此,氧疗必须控制浓度。开始可给予25%氧,然后按血气监测,观察动脉氧分压、二氧化碳分压上升幅度来调整氧疗浓度。总的原则是争取在24小时内使动脉氧分压提
Both patients with pulmonary heart disease hypoxemia, hypercapnia. Therefore, oxygen therapy must control the concentration. The beginning can be given 25% oxygen, then blood gas monitoring, arterial oxygen partial pressure, carbon dioxide partial pressure rise to adjust the oxygen concentration. The general principle is to try to make arterial oxygen partial pressure within 24 hours