Airway Flashcards

1
Q

How to measure for the size of the nasopharyngeal device?

A

from the targus → the nose

(soft to soft)

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2
Q

How to measure for the size of the oropharyngeal device?

A

the tip of teeth → angle of mandible

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3
Q

What way do we put an oropharyngeal device in children?

A

Up to 11-12 years old

Put ‘the right way in’

*this is due to the anatomical development of hard palate

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4
Q

What is the only definitive airway?

A

ET tube = endotracheal airway

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5
Q

How many litres does the nasal cannula deliver?

A

1 - 6 L/ min

(about 20% of O2)

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6
Q

How many litres of O2 does the simple face mask deliver?

A

6-12 L/min

(35-60% of oxygen)

*minimum of 6L as otherwise the CO2 would accumulate by rebreathing)

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7
Q

How many litres of oxygen does the venturi mask deliver?

A

It depends - adaptors are used to give specific % of oxygenation

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8
Q

How many litres of O2 does non-rebreather mask deliver?

A

Non-rebreather mask (aka Hudson mask)

15 L/min

  • (less can accumulate CO2) + do not leave on the patient for too long -> we need to treat the cause
  • How it works: a bag is a reservoir to concentrate O2
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9
Q

Litres of O2 and use of high flow nasal cannula

A
  • used mostly in paeds
  • delivers up to 60L (30-100%)
  • +ive end respiratory pressure to open up the airways
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10
Q

3 criteria to suspect anaphylaxis

A
  • life-threatening problems of airway/breathing/circulation
  • sudden/rapid progression
  • skin/mucosal changes
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