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Brandon’s AFN Health Assessment > test 3 part 7 > Flashcards

test 3 part 7 Flashcards

1
Q

disadvantages to nasal intubation

A
  1. pain and discomfort
  2. nasal/paranasal complications (epistaxis, sinusitis, otitis)
  3. more difficult to place
  4. smaller tube thus increased resistance
  5. difficult snoring
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2
Q

indication for nasotracheal tube

A
  1. intraoral operation
  2. operation where oral tube interferes with surgeons access
  3. when long term ventilation is anticipated
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3
Q

what hx would you need to know/obtain before inserting a nasotracheal tube

A
  1. hx of unexplained nose bleeeds
  2. hx of broken nose
  3. hx of deviated septum
  4. nasally inhaled substance abuse
  5. coagulopathy
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4
Q

preparation steps to take before inserting a nasotracheal tube

A
  1. tube should be half size to 1 size smaller than oral ETT
  2. let sit in warm NS or sterile water to soften tip
  3. have Magill Forceps
  4. nasal trumpet that is well lubed
  5. afrin spray –> do bilaterally
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5
Q

contraindications to nasotracheal intubation

A
  1. trauma
  2. laforte fracture
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6
Q

when is the only time to use a blind placement method when putting in a nasotracheal tube

A

only with spontaneously breathing ptsq

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7
Q

what tube is best to use for blind nasotracheal intubation

A

endotrol tube

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8
Q

what is the classification system/grade to classify your view of the cords during intubation

A

cormack-Lehane classification

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9
Q

Grade 1 cormack-lehane

A

you can see the anterior commissure
you can see both sides of the cords (i.e. glottis)

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10
Q

Grade 2 Cormack-Lehane

A

cannot see the anterior commissure, but can visualize glottis

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11
Q

Grade 3 Cormack-Lehane

A

only epiglottis visualized, no visualization of glottis

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12
Q

Grade 4 Cormack - Lehane

A

neither glottis nor epiglottis can be visualized

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13
Q

what is the role of video-assisted intubation

A
  1. good for failed intubation
  2. better initial attempt at predicted difficult intubation
  3. instruction of the novice on normal airway
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14
Q

advantages of video-assisted laryngoscopy

A
  1. eliminates need for line of sight
  2. requires less lifting force
  3. less stress response
  4. less cervical instability
  5. less dental/pharyngeal trauma
  6. less need for mouth opening
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15
Q

disadvantages of video laryngoscopy

A
  1. expensive
  2. not always easier
  3. loose depth perception
  4. become overconfident about the difficult airway
  5. loose skills on direct laryngoscopy
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16
Q

describe the process of a normal induction sequence intubation

A
  1. all airways should always be ready to go
  2. suction ready and on high
  3. preoxygenate w/ 100% FiO2 for 3-5 min
  4. administer induction agents
  5. evaluate LOC; lash test
  6. attempt mask ventilation
  7. administer muscle relaxant of choice/approp for pt condition
  8. intubate
  9. confirm breath sounds
  10. continue anesthetic
  11. secure ETT
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17
Q

indication for RSI

A
  1. full stomach
  2. Trauma
  3. pregnancy
  4. bowel obstruction
  5. risk of aspiration
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18
Q

technique for RSI

A
  1. preoxygenate well
  2. administer induction agents
  3. cricoid pressure
  4. DO NOT VENTILATE
  5. perform direct laryngoscopy
  6. confirm placement
  7. continue anesthetic
  8. secure ETT
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19
Q

advantages of RSI

A

prevent aspiration
rapid control of airway

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20
Q

what is a modified RSI

A

gently ventilate with few breaths prior to intubating, cricoid pressure is maintained

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21
Q

what is a laryngospasm?

A

spasm of the vocal cord closure and possibly aryepiglottic folds over the glottis d/t sensory stimulation of the vagus nerve via the RLN and SLN

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22
Q

tx of laryngospasm

A

positive pressure
succinylcholine
larson maneuver (vigorus jaw thrust, pulls false cords and folds away)

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23
Q

__________ most often occurs due to laryngospasm

A

negative pressure pulmonary edema

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24
Q

sx with laryngospasm

A
  1. decreased SaO2
  2. hypertension
  3. sx of negative pressure pulmonary edema
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25
Q

causes of bronchospasm

A

tracheal irritation and stimulation of the vagus nerve
can be allergenic/histamine related

26
Q

sx of bronchospasm

A

wheezing
increased CO2
hypoxia
increased peak inspiratory pressure

27
Q

tx of bronchospasm

A

deepen the anesthetic with inhalation agents
bronchodialators (albuterol)
B2 agonist (epi, terbutaline)

28
Q

complications of extubation

A
  1. unable to keep SaO2 up
  2. airway edema/macroglossia
  3. increased ICP or IOP or bleeding from surgical sites
  4. NGT removal
  5. laryngospasm/bronchospasm
29
Q

complications of intubation

A

lip laceration
tooth injury
tongue laceration
pharyngeal laceration
laryngeal laceration/injury

30
Q

what is the optimal depth of tube insertion in women?

A

20 cm

31
Q

what is the optimal depth of tube insertion in men?

A

22cm

32
Q

how do you know if you have placed the ETT in the bronchiole (endobronchial intubation)

A

auscultation (may not hear breath sounds on one side)
chest movement (only one side inflating)

33
Q

sx of negative pressure pulmonary edema

A

acute respiratory failure
dyspnea
tachypnea
pink frothy sputum
stridor
severe agitation

34
Q

type I negative pressure pulmonary edema

A

develops immediately after acute onset of airway obstruction

35
Q

type II negative pressure pulmonary edema

A

occurs after relief of chronic airway obstruction

36
Q

Tx of negative pressure pulmonary edema

A

PEEP +/- diuretics and steroids

37
Q

what causes a type I negative pressure pulmonary edeam

A

post extubation laryngospasm
epiglottitis
croup
LMA or ETT blockage
laryngeal tumor
postop vocal cord paralysis
hanging/strangulation
near drowning

38
Q

what causes a type II negative pressure pulmonary edema

A

post tonsillectomy/adenoidectomy
choanal stenosis
post removal of upper airway tumor
hypertrophic redundant uvula

39
Q

what is aspiration pneumonitis

A

aspiration of gastric contents

40
Q

sx with esophageal perforation

A

dysphagia
neck pain
subQ emphysema

41
Q

signs of airway obstruction

A
  1. snoring, grunting
  2. stridor around larynx
  3. loss of breath sounds
  4. loss of CO2
  5. loss of fog in mask/ETT
  6. nasal flaring
  7. Retractions
  8. desaturation
42
Q

causes of airway obstruction

A
  1. OSA / soft tissue relaxation
  2. foreign body/trauma
  3. issues with vocal cords/polyps
  4. infections/swelling
  5. laryngospasm
43
Q

interventions for airway obstruction

A
  1. jaw thrust, reposition head
  2. may need to add oral or nasal airway
  3. if apneic, may need to mask ventilate
  4. determine underlying causes
44
Q

Fractures above alveolar ridge and hard palate
runs posteriorly through maxillary sinus to pterygoid plate. may cause detached or floating plate

A

type I LeForte fracture

45
Q

pyrimidal fracture of mid face
fracture of: maxillary, nasal bones, frontal bones, orbital rim and ethmoid bones, may extend into mid pterygoid plates

A

Type II LeForte Fx

46
Q

face is literally displaced from attachments at cranial base

A

Type III LeForte Fracture

47
Q

what surgeries are correlated with having higher incidence of stroke?

A

cardiac surgery esp valve replacement

48
Q

what are the three risk factors for perioperative stroke?

A
  1. hx of prior stroke or TIA
  2. advancing age
  3. renal disease
49
Q

preoperative anesthesia evaluation of pts with cerebrovascular disease focuses on what?

A

timing and cause of any previous strokes/TIA

50
Q

preanesthetic evaluation of pt with cerebrovascular disease

A
  1. hx of dz - CVA/TIA
  2. residual deficits/cause of event
  3. intrinsic dz or emoblic event?
  4. neuro exam and documentation of deficits
  5. auscultation and palpation of carotid bruits
  6. anticoagulation regimen and risk for reductionq
51
Q

pt with Cerebrovascular disease, when would it be okay for them to continue to their anticoagulation meds?

A

when undergoing low risk surgery

52
Q

if a patient has cerebrovascular disease and is undergoing a moderate - high risk procedure, they should either ______________ or __________ their anticoagulation meds

A

bridge or stop

53
Q

what is the most common cause of dementia

A

alzheimers

54
Q

types/causes of dementia

A

parkinsons
vascular
alzheimers
reversible

55
Q

if pt presents with dementia for surgery, you should perfrom a comprehensive assesment of cognition during preop visit. this would include?

A
  1. assessment of decision making capacity
  2. assess cognition using minicog test
  3. identify risk factors for post-op delirium
  4. identify reversible causes of dementia
  5. communication and corrdination with care of geriatrician when appropriate
56
Q

all types of dementia are associated with ___________, ___________, and/or ___________ decline

A

behavioral; cognitive; functional

57
Q

what is the cause of alzheimers dementia

A

abnormal beta-amyloid deposits, intracellular neurofibrillary tangles, and neuronal loss

58
Q

what are the risk factors for vascular dementia

A

HTN and DM

59
Q

what is a mixed demenita

A

vascular infarcts + alzheimers

60
Q

_________________ is affiliated with dementia and is a progressive degeneration of the basal ganglia associated with deficiency in dopamine

A

parkinsons dementia

Brandon’s AFN Health Assessment (17 decks)

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