Exam 1 Oxygenation

Question 1

Nasal Cannula

Answer 1

FiO2: 1-6L/min: 22-44%
safe and well tolerated
FiO2 can vary, can lead to skin breakdown, tubing dislodges easily
low flow

Question 2

Simple Face Mask

Answer 2

6-12 L/min: 33-55%
Best for short periods, transportation 
not great for claustrophic patients, skin breakdown, higher aspiration
asses for fit, watch for aspiration risk
low flow

Question 3

partial rebreather mask

Answer 3

FiO2: 6-11 L/min; 60-75%
used for short periods of dyspnea or other increased oxygen needs
patients’ rebreathe up to 1/3 of exhaled air, helps with humidification
keep reservoir bag partially inflated
low flow

Question 4

non-breather mask

Answer 4

FiO2: 10-15 L/min; 80-95%
Best for patients in critical need of oxygen, steps before intubation
watch for aspiration, hourly assessments
low flow

Question 5

venturi mask

Answer 5

FiO2: 4-12 L/min; 24-50%
provides ability to deliver PRECISE oxygen concentration 
not preferable for long periods of time 
chronic lung disease 
High flow