Masks Flashcards
Face mask Flow rate O2 concentration Advantages Disadvantages
5-10L/min
40-60%
Higher O2 concentration than cannula
Only spontaneous, dyspneic pt.s do not tolerate well
Nasal cannula Flow rate O2 concentration Advantages Disadvantages
2-6l/min
24-44%
No rebreathing
Only on spontaneous
Partial rebreather Flow rate O2 concentration Advantages Disadvantages
8-12L/min
50-80%
Higher O2 than cannula or face mask
Must have tight seal, only on spontaneous
Nonrebreather Flow rate O2 concentration Advantages Disadvantages
12-15 L/min
85-100%
Highest O2 by mask
Must have tight seal, only on spontaneous, do not allow bag to collapse
Venturi Flow rate O2 concentration Advantages Disadvantages
2-12 L/min
24-50%
O2 can be adjusted
Only on spontaneous
Pocket mask Flow rate O2 concentration Advantages Disadvantages
10 L/min
50%
Excellent tidal volume, can be used on children, can add O2 source
Rescuer fatigue
Bag mask Flow rate O2 concentration Advantages Disadvantages
Room air, 12 L/min
21%, 40-90%
Apneic and spontaneous, quick. O2 can be adjusted easily
Air in stomach
O2 powered breathing device Flow rate O2 concentration Advantages Disadvantages
100L/min
100%
Improved lung inflation, high O2
Gastric distention, requires O2 source, adapter for child
Masks for Apneic pt.s
2
Bag mask
Pocket mask