Airways Lab Flashcards
What does RAE stand for?
Ring, Adair, Elwyn
what determines RAE ETT size ?
pt height The “Chula formula” may be useful in helping determine the appropriate depth of nasotracheal tube insertion: 9 + (Ht/10) cm. Thus, for a 5’10” patient (~178 cm), the tube will be inserted 26-27 cm for optimal placement (2 cm above the carina)
LMA Size chart
![](https://s3.amazonaws.com/brainscape-prod/system/cm/029/797/998/a_image_thumb.png?1659404657)
At watch pressure of PPV would you confirm LMA seating leak?
20 cmH2O
What are the Cormack-Lehane scores
GRADE I: most of the glottis is visible
Epiglottis, arytenoids, vocal cords
GRADE II: only the posterior portion of the glottis is visible
Epiglottis, arytenoids, maybe part of vocal cords
GRADE III: only epiglottis is visible
GRADE IV: no airway structures are visualized