Airway Flashcards

1
Q

How do you measure a oropharyngeal airway?

A

Earlobe to the corner of the mouth

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2
Q

Where does a tracheostomy sit?

A

Between the 2nd and 4d tracheal rings

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3
Q

Airway adjuncts

A

Nasopharyngeal
Oropharyngeal
Laryngeal Mask Airway (LMA)
Endotracheal tube (ETT)

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4
Q

What is the esophageal consideration of a tracheostomy?

A

If tracheostomy cuff is inflated too high, it can impact swallowing

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5
Q

What are the indications for a tracheostomy?

A

Altered level of consciousness
Upper airway obstruction
Post-surgery odedma (Head & neck or ENT surgery)
Prologned ventilation
Airway clearance

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6
Q

What tracheosotomy has an inner cannula?

A

Dual lumen

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7
Q

What is the most common type of humidification for a tracheostomy?

A

Passive: heat-moisture exchange

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8
Q

How long post tracheostomy can securement device be changed?

A

Cotton tapes can be changed to velcro tapes one week post surgery

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9
Q

What is the measurement for tracheostomy securement?

A

1 finger

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10
Q

What is the normal parameters for cuff pressure?

A

20 - 30 cmH20

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11
Q

What is the consequence of cuff pressure <20 cmH2O

A

oropharyngeal secretions drain into the lungs

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12
Q

What is the consequence of cuff pressure >30 cmH2O

A

higher than the capillary blood flow to the trachea and therefore will result in a trahceal pressure injury

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13
Q

What is anaphylaxis?

A

severe systemic allergic reaction to an external trigger

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14
Q

What is the first line of treatment for anaphylaxis?

A

Adrenaline

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15
Q

Anaphylaxis signs and symptoms

A
  • Difficult or noisy breathing
  • Swelling of the tongue
  • Swelling or tightness in the throat
  • Difficult talking or having a hoarse voice
  • Wheeze or persistent cough
  • Persistent dizziness or collapse
  • Pale and floppy (in young children)
  • Itchiness
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16
Q

What can influence the severity of anaphylaxis?

A
  • Exercise
  • Heat
  • Alcohol
  • Amount of food eaten and how it is prepared - in food allergic people
17
Q

Pathophysiology of anaphylaxis

A

Type 1 Hypersensitivity reaction -> releases histamine and bradykinin -> massive systemic vasodilation & increased vascular permeability

18
Q
A