外科加護病房的術後病人,第二天早上嘗試脫離呼吸機(weaning),下列指標數值,何者最不適合考慮拔管?
潮氣容積(tidal volume)>5 mL/kg,肺活量(vital capacity)>10 mL/kg
淺快呼吸指標(rapid shallow breathing index)>105
最大吸氣壓力(maximal inspiratory pressure)<-25 \mathrm{cmH}_{2}O
\mathrm{cmH}_{2}
給與\mathrm{FiO}_{2} 40~50%且吐氣末正壓(positive end expiratory pressure)<5 \mathrm{cmH}_{2}O時,測得動脈血氧飽和度(\mathrm{SaO}_{2})>90%
\mathrm{FiO}_{2}
\mathrm{SaO}_{2}