Airway Equipment

Question 1

oral airway sizes

Answer 1

specified via length
small 80mm
medium 90mm
large 100mm

Question 2

nasal airway sizing

Answer 2

internal diameter in mm

Question 3

face mask complications

Answer 3

nerve injury (CN 7), eye injury, aspiration of gastric contents, lack of correlation between PaCO2 and ETCO2 due to dilution from high FGF

Question 4

patient weight <5kg, LMA size, cuff volumes (test), max cuff volume, largest ETT

Answer 4

1, 6cc, 4cc, 3.5

Question 5

patient weight 5-10kg, LMA size, cuff volumes (test), max cuff volume, largest ETT

Answer 5

1.5, 10cc, 7cc, 4.0

Question 6

patient weight 10-20kg, LMA size, cuff volumes (test), max cuff volume, largest ETT

Answer 6

2, 15cc, 10cc, 4.5

Question 7

patient weight 20-30kg, LMA size, cuff volumes (test), max cuff volume, largest ETT

Answer 7

2.5, 21cc, 14cc, 5.0

Question 8

patient weight 30-50kg, LMA size, cuff volumes (test), max cuff volume, largest ETT

Answer 8

3, 30cc, 20cc, 6.0 cuffed

Question 9

patient weight 50-70kg, LMA size, cuff volumes (test), max cuff volume, largest ETT

Answer 9

4, 45cc, 30cc, 6.0 cuffed

Question 10

patient weight 70-99kg, LMA size, cuff volumes (test), max cuff volume, largest ETT

Answer 10

5, 60cc, 40cc, 7.0 cuffed

Question 11

patient weight >100kg, LMA size, cuff volumes (test), max cuff volume, largest ETT

Answer 11

6, 75cc, 50cc, 7.0 cuffed

Question 12

what are ETT’s made of

Answer 12

PVC, polyvinyl chloride

Question 13

size selection and depth of insertion, adults

Answer 13

men: 8-9.0 ID ett, 24-26cm at lip
women: 7-8.0 ID ett, 20-22cm at lip

Question 14

size selection and depth of insertion, pedes

Answer 14

size: 4+ age / 4 = ID of ett
depth: 12 + age / 2 = depth in cm