Adjusting mechanical ventilation settings

O2

• PaO2 - wean O₂ for a goal PaO₂ >60 mmHg
• FiO2 - wean to < 50% if possible while maintaining adequate PaO2
• PEEP - refer to ARDSnet protocol to avoid barotrauma

paCO2

• Mainly affected by Tidal volume and RR
• VE = minute ventilation (RR x TV)

pH

• For every increase or decrease in PaCO₂, pH changes accordingly by 0.008
• For every increase or decrease in HCO₃ pH changes accordingly by 0.015

See Also

Mechanical Ventilation Pages

• Noninvasive ventilation
• Intubation
  • Intubation (peds)
• Mechanical ventilation (main)
  • Ventilation modes
  • Initial mechanical ventilation settings
    • Initial mechanical ventilation settings (peds)
  • Adjusting mechanical ventilation settings
    • Deterioration after intubation
    • Lung recruitment maneuver
    • Ventilator high pressures
    • Ventilator associated lung injury
  • Weaning mechanical ventilation
    • Extubation
• Miscellaneous
  • ARDS and EBQ:ARDSnet
  • Airway pressure release ventilation
  • Ideal Body Weight Estimation