A.5~10h B.10~15h C.10~15h D.15~20h E.24h持續(xù)
A.根據(jù)患者意愿調(diào)整 B.盡量大于3L/min C.1~2L/min D.不超過1L/min E.最好在2~3L/min
A.先天遺傳 B.氧療不充分 C.過敏反應(yīng) D.沒有戒煙 E.細(xì)菌或病毒感染