The three most common (and rational) indications for mechanical ventilation are 1) inadequate oxygenation 2) inadequate ventilation 3) inability to protect the airway.
Red Flags for Pending Intubation
General Cause for Concern (red flags for pending intubation@):
- RR > 25/min
- PCO2 > 50 mm Hg
- PO2 < 50 mm Hg
- SpO2 < 90%
Always take into account if patient improving or deteriorating.