A.肺活量低于預(yù)計(jì)值的60% B.通氣儲(chǔ)量百分比<70% C.第1秒用力呼氣量與用力肺活量的百分比(FEV1.0/FVC%)<60%或50% D.呼氣時(shí)間<3s E.屏氣時(shí)間<20s
A.適應(yīng)癥B.給藥順序C.療效評(píng)估D.肝腎功能