Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

ANES 512b Midterm > Chapter 33: Techniques for Managing Difficult Airways > Flashcards

Chapter 33: Techniques for Managing Difficult Airways Flashcards

1
Q

How long is the adult larynx?

A

Males: 4.5 cm, Females: 3.5 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How long is the adult trachea?

A

Males: 12 cm, Females: 11 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Anatomical landmarks to locate the larynx?

A

Thyroid and cricoid cartilage = borders

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Anatomical landmarks to locate the trachea?

A

Tracheal rings; cricoid cartilage marks the start of the trachea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Transverse diameter of larynx?

A

Male: 4.5 cm, Female: 4 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

AP diameter of larynx?

A

Male: 3.5 cm, Female: 2.5 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Hyoid bone at what cervical level?

A

C3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Vocal cords at what cervical level?

A

C5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Cricoid cartilage at what cervical level?

A

C6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Transverse diameter of adult trachea?

A

Males: 2.5 cm, Females, 2.0 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cost of a Bougie introducer?

A

$10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the purpose of the lumen of an ETT introducer?

A

We can provide HPOV through it.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Where should we create a bend in an ETT introducer? At what angle?

A

In the distal 2 cm

15-30* angle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Why is it important that an ETT introducer be relatively stiff?

A

It must lift the epiglottis to pass through the glottis and into the trachea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which surface of the pharyngeal wall do you use to slide in an ETT introducer?

A

Dorsal surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What provides tactile feedback when you successful place an ETT introducer into the trachea?

A

Tracheal cartilages: we will feel “bumps.”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

In order to use an ETT introducer, you must be able to visualize:

A

at least the tip of the epiglottis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which angle should you begin with when using an ETT introducer?

A

15* (lesser angle)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What are some risks of using an ETT introducer incorrectly?

A

Tracheal abrasion
Tracheal, laryngeal, pharyngeal puncture
Failure to obtain glottic entry
Failure to pass ETT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the most common length and ID of an ETT introducer?

A

ID: 6.0
Length: 66 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What risks do retrognathism pose to endotracheal intubation?

A

Small mouth opening

Small laryngopharyngeal space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Equipment for retrograde guidewire-assisted intubation?

A

J-tipped guidewire
2 Hemostats
Small-diameter ETT or ETT introducer

23
Q

What is the minimum length of the J-tipped guidewire used in retrograde guidewire-assisted intubation?

24
Q

What is the life-threatening problem related to loss of upper airway patency?

A

HYPOXIA, not hypercapnia

25
What is the primary purpose of HPOV?
OXYGENATE, not ventilate
26
What does HPOV technique depend upon? Under what circumstances does this occur?
Depends upon egress of respiratory gases via the natural upper airway, which occurs when the upper airway obstructive problem is a ball-valve obstruction
27
For what kind of obstruction is HPOV useful?
Ball-valve obstruction
28
Under what circumstances should you NOT employ HPOV technique?
The obstruction is complete, not ball-valve.
29
Describe the anatomy and function of a Sanders Manual Jet ventilator.
Two ventilating attachments for a bronchoscope that allow continuous respiration without respiratory movements
30
What kind of O2 supply tubing is necessary for HPOV?
high-pressure, small diameter O2 supply tubing
31
The three way stopcock in HPOV is turned so that:
all ports are open
32
What are the two possible connectors sites for high pressure oxygen supply?
May connect to oxygen flow meter via nipple | May connect to anesthesia machine fresh-gas outlet with 6.0-mm ETT connector
33
An HPOV kit comes with what kind of supply of local anesthetic?
Vial lidocaine 2%
34
Catheter was placed cephalad is what kind of practitioner-based error or complication in HPOV? Acute, intermediate, or long-term?
Acute
35
Stylet not removed from catheter prior to HPOV is what kind of practitioner-based error or complication in HPOV? Acute, intermediate, or long-term?
Acute
36
Attempted HPOV using breathing circuit is what kind of practitioner-based error or complication in HPOV? Acute, intermediate, or long-term?
Intermediate
37
Failed to recognize inadequate HPOV is what kind of practitioner-based error or complication in HPOV? Acute, intermediate, or long-term?
Intermediate
38
Catheter placement not confirmed is what kind of practitioner-based error or complication in HPOV? Acute, intermediate, or long-term?
Acute
39
Barotrauma is what kind of practitioner-based error or complication in HPOV? Acute, intermediate, or long-term?
Long-term
40
Began HPOV with misplaced catheter is what kind of practitioner-based error or complication in HPOV? Acute, intermediate, or long-term?
Acute
41
Failed to maintain catheter position is what kind of practitioner-based error or complication in HPOV? Acute, intermediate, or long-term?
Intermediate
42
Inadequate oxygenation is what kind of practitioner-based error or complication in HPOV? Acute, intermediate, or long-term?
Intermediate
43
What is the most common acute practitioner-based error or complication in HPOV?
Catheter placement not confirmed (50%)
44
What is the most common intermediate practitioner-based error or complication in HPOV?
Inadequate oxygenation (92%)
45
How often does barotrauma occur in incorrectly administered HPOV?
75%
46
Three ways to provide HPOV:
FFO scope Rigid bronchoscope Ventilating laryngoscope
47
How many flexible fiberoptic airway procedures (using FFOB) are there per year?
500,000/year
48
How common are acute/intermediate complications in FFOB?
1-3%
49
What are some infection variables in FFOB?
Personal education/practice Poor handling/disinfecting practice Preceding patients' contamination
50
Two most common bacterial strains residually left on FFOBs?
Strep/ staph
51
Normal skin flora include how many bacterial species? How many fungal species? How many viral species?
1000 bacterial species 30 fungal species 5 viral species
52
If an ETT is size 7.0 or greater, what are the dimensions of its Aintree catheter?
3.4 mm ID x 6 mm OD x 54 cm L
53
How does one connect an Aintree catheter to an LMA?
Boudaz connector

ANES 512b Midterm (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions