[AC] {WK2 + WK3} {Oxygen, Sputum Clearance, & Treatments}

Question 1

What is the rationale for Positive Expiratory Pressure (PEP) devices for sputum clearance?

Answer 1

• Obtain temporary increases in FRC
• Allows TV to be above opening volume for otherwise closed airways
• Collateral ventilation to recruit alveoli and get air behind secretions
• FET to mobilise and clear secretions

Question 2

What are some Oscillating PEP devices for sputum clearance?

Answer 2

Flutter, Cornet, Acapella

Question 3

The use if nebuliser hypertonic saline prior to airway clearance can be considered to

Answer 3

increase sputum yield, reduce sputum viscosity and improve ease of expectoration

Question 4

Delivery of oxygen to the tissues depends on three things?

Answer 4

1) Ventilation
2) Gas Exchange
3) Circulation

Question 5

Physiological changes with inadequate oxygenation?

Answer 5

Increased RR
Increased HR
Increased Cyanosis (central/peripheral)

Question 6

Oxygen therapy is for the treatment of

Answer 6

Hypoxaemia

NOT BREATHLESSNESS

Question 7

Oxygen therapy devices can fit into what two categories:

Answer 7

• Low Flow (LF) Often Variable Performance

- High Flow (HF) Often Fixed Performance

Question 8

What are some high flow devices for oxygen therapy?

Answer 8

• Venturi Mask
• Ambu Bag
• High Flow Nasal Prongs

Question 9

What are some low flow oxygen therapy devices?

Answer 9

Nasal Cannula/Prongs

Simple Face Masks

Question 10

What are the key components of oxygen therapy?

Answer 10

• The device
• FIO2 / Flow Rate
• Monitoring