Week One- Oxygen

Question 1

When would you use a Nasal Cannula? (Flow Rates)

Answer 1

Nasal Cannulas are simple and effective for low level 02 admin. Allows for speaking, eating Used for flow rates from 1-6 L/min. Over 4L/min humidification is required to prevent drying of the nasal mucosa.

Notes: Watch for skin breakdown behind ears w/ long term use

Question 2

When would you use a Simple Face Mask? (Flow Rates)

Answer 2

For short term solution 02 therapy. Delivers 40-60% 02. Used for up to 10L/min.

Question 3

When would you use a non rebreather? (Flow Rates)

Answer 3

Used for 6-15 L/min. Required for patients requiring high concentrations of 02. 60-90% 02.

Disadvantage- requires tight seal, may irritate skin

Question 4

When documenting 02 therapy you must include at minimum?

Answer 4

L/min, device used, RR, Sp02, pt Response to Tx

Question 5

Why use an Incentive Spirometer? Basic Procedure?

Answer 5

Provides additional visual incentive for deep breathing exercises. Used in combination with deep breathing and coughing post-abd or thoracic operations to lower risk of pneumonia. Comes in volume or flow rate versions.

Procedure- Position in high fowlers, instruct to breath out completely, use mouth piece for slow and steady inhalation to max inhalation, hold for 3 s and release normally. Repeat 5 -10 times per work out sesh followed by controlled coughing. 3 times a day?

Flow and volume versions.
Test pre-op for baseline. Expect 1/2 to3/4 of baseline post op.

Question 6

Breathing positions

Answer 6

Orthopneic- off shoot of the high fowlers-

Question 7

Signs of early and chronic hypoxia?

Common sign in paediatrics?

Answer 7

• Early- Pallor, confusion, increased RR,
• Late- Clubbing

• Infants- Poor feeding patterns

Question 8

What is huff coughing? End goal and Basics?

Answer 8

Bringing up mucus/sputum and clear mucosa membrane

Lot of little short breaths in and hard breath out

Question 9

What 02 flow rate for BVM?

Answer 9

Up to 15L/MIn

Question 10

Consideration for mask choice for COPD?

Answer 10

Partial non rebreather- some C02 is helpful for providing reflex to breath.

Uncontrolled admin of 02 may cause acute hypoventilation and CO2 retention

Question 11

What is a Venturi mask?

Answer 11

4-12L, always delivered w/ humidity, O2 level 24%-60%

Question 12

Two categories of 02 delivery device

Answer 12

high flow (Venturi, large nebulizer

Low flow (simple, partial, nasal)