判断气管导管误入食管的最佳方法是()
A.SpO2下降
B.手控通气阻力大
C.通气时腹部隆起
D.听诊
E.呼气末CO2曲线消失
参考答案:E
局限性发作的治疗采用
A.蝴蝶征B.靶征C.透明隔增厚征D.白质推挤征E.三角征
— Mum, I’ve been studying English since 8 o’clock. _______ I go out and play with tom for a while ?
— No, I’m afraid not. Besides, it’s raining outside now.
A.Can’t
B.Wouldn’t
C.May not
D.Won’t