LMA and Airway Flashcards

1
Q

name and describe each class and grade of the Mallampatti

A

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

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2
Q

SLN injury: Name the effect of nerve injury

Unlilateral

A

Minimal

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3
Q

SLN injury: Name the effect of nerve injury

Bilateral

A

Hoarseness/ tiring of voice

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4
Q

RLN injury: Name the effect of nerve injury

Unilateral

A

Hoarsness

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5
Q

RLN injury: Name the effect of nerve injury

Bilateral (Acute)

A

Stridor, Respiratory distress

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6
Q

RLN injury: Name the effect of nerve injury

Bilateral (chronic)

A

Aphonia

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7
Q

Vagus nerve injury: Name the effect of nerve injury

Unilateral

A

Hoarsness

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8
Q

Use and LMA or Not to use an LMA:

Not fasted or Fasting not confirmed

A

No

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9
Q

Use and LMA or Not to use an LMA:

Grossly or morbidly obese?

A

no

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10
Q

Use and LMA or Not to use an LMA:

Alternative to Facemask to control airway for routine or emergency situation

A

Yes

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11
Q

Use and LMA or Not to use an LMA:

Replacement for ETT

A

no

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12
Q

Use and LMA or Not to use an LMA:

Elective procedures when OETT not indicated

A

yes

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13
Q

Use and LMA or Not to use an LMA:

To est a good airway while resuscitating unconscious pt

A

yes

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14
Q

Use and LMA or Not to use an LMA:

more than 14 weeks pregnant

A

no

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15
Q

Use and LMA or Not to use an LMA:

Acute abdomen

A

no

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16
Q

Use and LMA or Not to use an LMA:

Thoracic injury

A

no

17
Q

Use and LMA or Not to use an LMA:

Delayed gastric emptying

A

no

18
Q

Use and LMA or Not to use an LMA:

when you can’t intubate

A

yes

19
Q

Use and LMA or Not to use an LMA:

Opiate use prior to fasting

A

no

20
Q

Use and LMA or Not to use an LMA:

Fixed decrease pulmonary comoliance (pulm fibrosis)

A

no

21
Q

Use and LMA or Not to use an LMA:

Peak airway pressures > 20

A

no

22
Q

Use and LMA or Not to use an LMA:

pt can’t answer medical history

A

no

23
Q

Adverse effects of LMA

A
Aspiration (2:10,000)
Sore throat (10%)
hypoglossal nerve injury (rare)
Tongue cyanosis
Vocal cord paralysis
24
Q

List the 8 LMA sizes

A
1
1.5
2
2.5
3
4
5
6
25
Q

write appopriate weight and growth for each

A
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
26
Q

Describe the fast track LMA

A

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

27
Q

How many times can a fast track be used?

A

40 times

28
Q

When would you use a fast track?

A

Alternative to facemask
Unexpected difficult airway
For clear airway

29
Q

Is a fast track LMA indicated for replacement of OETT

A

no

30
Q

what are the 4 sizes of a Fast tack LMA

A

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

31
Q

The LMA selection is always based on what?

A

pt’s weight