Ventilators Flashcards
1
Q
Adequate gas exchange for extubation
A
PaO2 / FIO2 ratio > 150-200
PaO2 > 60 mmHg
FiO2 under 40%
pH over 7.25
2
Q
Spontaneous breathing trial
A
30-120 minute trial
Low level of CPAP or pressure support
3
Q
Assess ability to protect airway
A
GCS > 13
Intact cough and swallow reflexes
Secretion management
4
Q
Risk factors for failed extubation
A
Age > 70
Hb under 10
5
Q
Extubation Criteria (weaning parameters): RR, VC, Vt, minute ventilation, NIF, RSBI
A
Patient must protect airway Follows commands Tidal Volume > 5 ml/kg Vital Capacity > 10 ml/kg (2 x Vt) Negative Inspiratory Force > -20 (-40 ideal) Minute Ventilation under 25 ml/cm h2o RR under 30 FiO2 under 40
6
Q
Increase ventilation on vents
Drive down CO2
A
Increase rate
Increase volume
7
Q
Increase oxygenation on vent
Bring up O2
A
Increase PEEP
Increase FiO2