患者,男,50岁。慢性鼻窦炎。鼻部手术后以口呼吸,患者主诉心前区不适,拟采用面罩吸氧,其氧流量应该为
A.>9L/min B.1L/min C.2~3L/min D.4~5L/min E.6~8L/min正确答案E
患者,男,50岁。慢性鼻窦炎。鼻部手术后以口呼吸,患者主诉心前区不适,拟采用面罩吸氧,其氧流量应该为
A.>9L/min B.1L/min C.2~3L/min D.4~5L/min E.6~8L/min正确答案E
