Oxygen Therapy

Question 1

NASAL CANNULA

Answer 1

commonly used for stable pts.
02 concentration deliverer to alveoli ranges from 24-44%
1-6L/min
02 flow rates of more than 4L need to be humidified

Question 2

SIMPLE MASK/HUDSON MASK

Answer 2

oxygen and room air
5-10L/min

min flow rate of 5L/min

Question 3

PARTIAL REBREATHER

Answer 3

face mask and reservoir device 
low flow 
can deliver 40-70% oxygen 
flow rate= 6-10L/min
o2 flow rate should keep the reservoir bag at least 1/3 to 1/2 full on inspiration

Question 4

VENTURI MASK

Answer 4

24-50% o2 delivery
concentration is controlled by interchangable colour coded valves
good for people w/ chronic hypercarbia and moderate/severe hypoxemia

Question 5

NURSING CONSIDERATIONS WHEN ADMINISTERING O2

Answer 5

• sit pt upright
• check o2 sats to see if o2 therapy is effective
• choose right type of o2 therapy
• if over 4l/min should be humidified to prevent drying of mucous membranes