Airways Lab Flashcards
1
Q
What does RAE stand for?
A
Ring, Adair, Elwyn
2
Q
what determines RAE ETT size ?
A
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)
3
Q
LMA Size chart
A
4
Q
At watch pressure of PPV would you confirm LMA seating leak?
A
20 cmH2O
5
Q
What are the Cormack-Lehane scores
A
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
