LMA and Airway

Question 1

name and describe each class and grade of the Mallampatti

Answer 1

I- pillars/ uvula/ hard palate/ Soft Palate
II- Uvula/ hard palate/ Soft Palate
III- Hard palate/ Soft Palate
IV- hard palate

Question 2

SLN injury: Name the effect of nerve injury

Unlilateral

Answer 2

Minimal

Question 3

SLN injury: Name the effect of nerve injury

Bilateral

Answer 3

Hoarseness/ tiring of voice

Question 4

RLN injury: Name the effect of nerve injury

Unilateral

Answer 4

Hoarsness

Question 5

RLN injury: Name the effect of nerve injury

Bilateral (Acute)

Answer 5

Stridor, Respiratory distress

Question 6

RLN injury: Name the effect of nerve injury

Bilateral (chronic)

Answer 6

Aphonia

Question 7

Vagus nerve injury: Name the effect of nerve injury

Unilateral

Answer 7

Hoarsness

Question 8

Use and LMA or Not to use an LMA:

Not fasted or Fasting not confirmed

Answer 8

No

Question 9

Use and LMA or Not to use an LMA:

Grossly or morbidly obese?

Answer 9

no

Question 10

Use and LMA or Not to use an LMA:

Alternative to Facemask to control airway for routine or emergency situation

Answer 10

Yes

Question 11

Use and LMA or Not to use an LMA:

Replacement for ETT

Answer 11

no

Question 12

Use and LMA or Not to use an LMA:

Elective procedures when OETT not indicated

Answer 12

yes

Question 13

Use and LMA or Not to use an LMA:

To est a good airway while resuscitating unconscious pt

Answer 13

yes

Question 14

Use and LMA or Not to use an LMA:

more than 14 weeks pregnant

Answer 14

no

Question 15

Use and LMA or Not to use an LMA:

Acute abdomen

Answer 15

no

Question 16

Use and LMA or Not to use an LMA:

Thoracic injury

Answer 16

no

Question 17

Use and LMA or Not to use an LMA:

Delayed gastric emptying

Answer 17

no

Question 18

Use and LMA or Not to use an LMA:

when you can’t intubate

Answer 18

yes

Question 19

Use and LMA or Not to use an LMA:

Opiate use prior to fasting

Answer 19

no

Question 20

Use and LMA or Not to use an LMA:

Fixed decrease pulmonary comoliance (pulm fibrosis)

Answer 20

no

Question 21

Use and LMA or Not to use an LMA:

Peak airway pressures > 20

Answer 21

no

Question 22

Use and LMA or Not to use an LMA:

pt can’t answer medical history

Answer 22

no

Question 23

Adverse effects of LMA

Answer 23

Aspiration (2:10,000)
Sore throat (10%)
hypoglossal nerve injury (rare)
Tongue cyanosis
Vocal cord paralysis

Question 24

List the 8 LMA sizes

Answer 24

1
1.5
2
2.5
3
4
5
6

Question 25

write appopriate weight and growth for each

Answer 25

1- neonate up to 5 kg
1.5- infants 5-10kg
2- children 10-20kg
2.5- Children 20-30kg
3- children 30-50 kg
4- Adult 
5- adult
6- Large adult > 100kg

Question 26

Describe the fast track LMA

Answer 26

Advanced type of LMA for tracheal intubation w/ ET tube
Latex free
Epiglottis elevating bar

Question 27

How many times can a fast track be used?

Answer 27

40 times

Question 28

When would you use a fast track?

Answer 28

Alternative to facemask
Unexpected difficult airway
For clear airway

Question 29

Is a fast track LMA indicated for replacement of OETT

Answer 29

no

Question 30

what are the 4 sizes of a Fast tack LMA

Answer 30

3- small adult
4- normal adult
5- large adult
6- extra large adult

Question 31

The LMA selection is always based on what?

Answer 31

pt’s weight