呼吸器概論~~~重症單位必須知道的機器喔 | 合法醫療器材資訊網

Mechanical ventilation indication

1.低血氧症Hypoxemia:

    FiO2>0.5，PaO2<60 or(A-a)DO2>350

2.高碳酸血Hypercapnia:

    PaCO2>50(pH<7.25or/Cons’change)

3.肺泡通氣量不足Inadequate lung expansion

    TV<5ml/kg，VE<5L/min

4.呼吸肌之收縮力或耐力不足Respiratory

    muscle weakness:

    MIP<-20

5.Excessive work of breathing:

    RR>35，VE>10L/min

6.Unstable ventilation drive:apnia

7.Prophylactic MV:post-op, multiple

    trauma,major operation, MOF

8.Closed head injury:IICP

9.Flailed chest:multiple rib ...