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消防中“四会”是指（）
使用二氧化碳灭火器时，注意事项分别是（）
医院范围内能吸烟吗（）
您被要求解释一名76岁患者的动脉血气，该患者因呼吸急促和低氧饱和度急性发作而入院治疗。 该测试在室内空气中进行，读数如下：pH 7．37，PO2 7．8，PCO2 4．1，HCO3 24，SO2 89％。 从这些动脉血气结果中选择最可能的临床解释：You are asked to interpret an arterial blood gas of a 76-year-old patient who was admitted to accident and emergency with an acute onset of breathlessness and low oxygen saturations． The test was taken on room air and read as follows: pH 7．37， PO2 7．8， PCO2 4．1， HCO3 24， SO2 89 per cent． Choose the most likely clinical interpretation from these arterial blood gas results:
您希望在一名67岁的患有COPD两年且未使用家庭氧气的患者中，通过室内空气获取以下哪些动脉血气结果？Which of the following arterial blood gas results， taken on room air， would you expect to see in a 67-year-old patient who has been suffering with COPD for two years and is not on home oxygen？
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