respiratory support Flashcards
in mechanical ventilation, where is air preferentially delivered?
anterior part of lungs
what defines the volume & pressure of targeted breaths?
target volume/pressure, trigger signal to initiate breath, termination signal to end breath
what are mandatory breaths?
guaranteed number of breaths; predetermined volume & pressure, controlled by ventilator
controlled breath is initiated by _____, assisted breath is initiated by_____
ventilator, effort
what are pressure targeted breaths?
when we set an amt of pressure that we want delivered
what is frequency dependent on?
- signal to initiate breath
- mode of ventilation
- min set rate for mandatory breaths
- patient efforst
what is the most common mode for patients on ventilators?
assist control mode
goals of ventilator
improve Oxygenation, improve paCO2
what is FiO2?
% O2 being delivery
more minute ventilation ____PCO2
lowers
what can you change in pressure control/assist ventilation?
- respiratory rate
2. pressure target
what can you change in volume cycled ventilation?
- respiratory rate
2. tidal volume
when someone is on mechanical ventilation, want to keep plateau pressure _____
less than 30
when someone is on mechanical ventilation, want to keep pH _____
> 7.1
what can be used to smooth transition after extubation?
biPAP