Airway management.

Question 1

How can we supplement facial mask O2?

Answer 1

nasal cannula

Question 2

How much should we put through a nasal cannula?

Answer 2

2-4L

Question 3

What do we need to ensure when putting on a nasal cannula?

Answer 3

its the right way up, like fangs.

Question 4

What way should we go for a jaw thrust?

Answer 4

straight up, not back towards you.

Question 5

When putting on a venturi mask, what must we ensure?

Answer 5

The correct volume of oxygen is going through it.

Question 6

What are the different venturi colours and percents?

Answer 6

BLUE = 24% O2.
WHITE = 28% O2.
YELLOW = 35% O2.
RED = 40% O2.
GREEN = 60% O2.

Question 7

Why do central respiratory centres work on H+ amounts?

Answer 7

as CO2 dissolves across the BBB ad dissociates to H and bicarb.

Question 8

If ventilating with a bag mask, what should we remember when the patient is now breathing adequately spontaneously?

Answer 8

Can breathe through a bag mask due to valve unless we squeeze it, so change to a T piece if LMA in or face mask if not.

Question 9

How much O2 do trauma masks deliver?

Answer 9

80-90%

Question 10

What do we need to remember if using a bag mask, even if stressed out?

Answer 10

plug it into O2 and turn O2 on.

Question 11

What should we call LMAs and igels?

Answer 11

supraglottic airways.

Question 12

Where can we put our fingers while doing a jaw thrust?

Answer 12

under angle of jaw and on maxilla, doing a pincer movement.

Keep elbows in and lean back

Question 13

Why do we turn a guedel on the way in?

Answer 13

go to end of hard palate and then turn

avoids vomiting.

Question 14

Why might we use a stylette and in what shape?

Answer 14

Hockey stick for high anterior larynx.

Question 15

What is a good tip to do when you are intubating to get a good view?

Answer 15

stay back from the face, don’t go close up.

Question 16

How do we pre-assess an airway for surgery?

Answer 16

open mouth mallampati
incisor distance
jaw protrusion
neck movement
previous airway history
aspiration risk
anticipated difficulty.

Question 17

What should we not do when doing mallampati?

Answer 17

get them to phonate (say ahhhh) as it artificially pulls up the muscles and gives a better view.

Question 18

What is a mallampati 1?

Answer 18

completely view soft palate - clear space between tongue and uvula.

Question 19

What is a mallampati 2?

Answer 19

less soft palate seen but can still see the whole uvula. i.e. tongue meeting uvula nearly.

Question 20

What is a mallampati 3?

Answer 20

can only see the base of the uvula.

Question 21

What is a mallampati 4?

Answer 21

soft palate not visible.