Respiratory Therapy Equipment

Question 1

Normal PaO2

Answer 1

80-100 mmHg

Question 2

PaO2 80 mmHg

Answer 2

95% SaO2

Question 3

PaO2 50 mmHg

Answer 3

80% SaO2

Question 4

Anemia

Answer 4

For any given saturation the PaO2 is lower then normal

Question 5

Indications for long term O2 therapy

Answer 5

PaO2 <88%

Question 6

Nasal Cannula

Answer 6

Provides up to 44% oxygen (6L).
Low flow system in which the tidal volume mixes with ambient gas (room air).
Increasing the O2 flow rate by 1L/min equates to an increase of about 4% FIO2
1L/min: 21-24%
2L/min: 25-28%

Question 7

Simple Face Mask

Answer 7

40-60% oxygen can be supplied through the oxygen port at 5-10L/min
Minimum flow of 5 L/min needed

Question 8

Venturi Mask

Answer 8

Accurately control the proportions of inspired oxygen.

Used for patient who retain carbon dioxide and patients who have moderate to severe hypoxemia