Airway Device Selection.








Face Mask
LMA
ETT
Procedure duration
Short
Short–Medium
Any
Protection against aspiration
No
No
Yes
Peak inspiratory pressure*
< 20 cmH2O
< 20 cmH2O
Any
Stimulation by device
Low
Medium
High


LMA Laryngeal Mask Airway


ETT Endotracheal Tube

* Pressures above 20 cmH2O may distend the stomach

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