Pitfalls
- Delivered pressure changes as mechanics change.
- Do not confuse pressure-limited failure to reach VT with a circuit leak.
Vent control
PRVC / VC+
Targets a set VT by adjusting pressure breath-to-breath.
ParametersTarget VT, RR, PEEP, FiO₂, pressure limits.High pressure / pressure limitIf target VT cannot be delivered.Low volumePressure limit or worsening mechanics.