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Anesthesia > endotracheal intubation > Flashcards

endotracheal intubation Flashcards

1
Q

what size Etube will a cat need

A

3- smallest available

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2
Q

why do we intubate?

A 
ensures airway
decreases anatomic dead space
prevents aspiration into lungs
a means of giving PPV
control of anesthetic depth
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3
Q

2 blades for laryngoscopes

A

mcintosh and miller

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4
Q

where should you put KY jelly?

A

on the cuff (with finger) this way, the cuff won’t stick to the trachea

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5
Q

supplies needed for ET- besides pt, machine, and restrainer

A

laryngoscope, 2 tubes, gauze, lube, slip tip syringe, hemostat

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6
Q

preferred way of tying the etube

A

IV line, rather than gauze or rubber bands

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7
Q

3 types of ETubes

A

red rubber
vinyl
silicone

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8
Q

which tube deflates manually

A

vinyl

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9
Q

4 advantages of Vinyl tubes

A

resists cracking
can see if clogged
wont absorb chemicals
will see condensation

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10
Q

Vinyl tubes are _____ than other tubes

A

stiffer

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11
Q

red rubber 2 advantages

A

flexible

cheap

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12
Q

disadvantages of red rubber

A

cant see fluid, dirty, clogged.
absorbs disinfectants, inhalants
tube may appear cracked when its not

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13
Q

hazard of red rubber and other tubes

A

kinking/collapsing of tubes

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14
Q

which tube deflates automatically

A

red rubber tube

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15
Q

high volume/low pressure

A

vinyl and silicone

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16
Q

low volume/high pressure

A

rubber

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17
Q

silicone ETubes advantages

A

smooth and flexible

less irritating to tissues

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18
Q

disadvantage to silicone

A

expensive

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19
Q

which tubes are flexible

A

rubber and silicone

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20
Q

most tubes are measured by:

A

internal diameter
(expressed in mm)
measure ET to reach thoracic inlet

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21
Q

where is the measurement written

A

side of tube

22
Q

length of tube is expressed in

A

cm

23
Q

diameter of tube is expressed in

A

mm

24
Q

inflatable cuff provides

A

airtight seal between outside wall of tube and inside wall of trachea

25
Q

inflatable cuff prevents 2 things

A

leakage of gas from around tube

aspiration of fluids into trachea

26
Q

the balloon indicates

A

if the cuff is inflated enough

27
Q

inflatable cuff- if too much pressure, can cause..

A

tracheal necrosis

28
Q

inflatable cuff- if moved in the trachea, can cause..

A

tracheal damage- lacerations or ruptures

29
Q

how are ETubes cleaned and disinfected

A

with a proper cleaning solution (chlorhexidine diluted) and Etube brush

30
Q

how to properly dry an Etube

A

hang upside down on ET rack

31
Q

check cuff inflation after cleaning and before using to prove they can hold air for how long?

A

3-5 minutes

32
Q

Rule of Thumb

A

inject air while applying pressure to reservoir bag until little or no air escapes around tube

33
Q

must always use a laryngoscope on this species

A

pigs

34
Q

use blade of laryngoscope to

A

depress epiglottis

35
Q

what species is prone to laryngospasm

A

cats

36
Q

what to use on cats

A

2% lidocaine

  • gel 2%
  • 0.1ml/lb
37
Q

if the ETube is too flexible…

A

use a stylet to reach the tip of the tube

38
Q

as the cat exhales, the vocal cords are opened, which means..

A

it is easier to pass the tube.

39
Q

how to restrain..

A

lift lips by canines and hold tongue

40
Q

what side is the esophagus on

A

the animals left side

41
Q

most common misplacement of tube

A

into the esophagus

42
Q

if the tube is placed in the esophagus

A

the animal wakes up

feel two rigid tubes instead of one

43
Q

the patient becomes cynotic if….

A

endo-bronchial tubation

tube is placed too deeply

44
Q

to prevent endo-bronchial tubation..

A

always listen to both lungs

45
Q

point of murphys eye

A

extra hole in case one is closed off

46
Q

how can the etube become obstructed

A

KY jelly on the holes
kinks
mucous or disinfectant build up

47
Q

damage to larynx or epiglottis occurs by..

A

trying numerous times

48
Q

what is a laryngeal spasm?

A

vocal cords spasm

49
Q

least desirable method of confirming you’re in

A

patting the chest (air from stomach can be misleading)

50
Q

2 main ways to confirm that you’re in

A

movement- reservoir bag

feel at thoracic inlet for one rigid tube

51
Q

confirming you are in: red rubber/vinyl

A

feel air pass over cheek or finger/see condensation

Anesthesia (10 decks)

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