O2 delivery devices Flashcards
Overall goal of O2 therapy
Maintain adequate tissue oxygenation;
minimize CP work
Clinical objectives
Correct documented hypoxemia; de-
crease symptoms of chronic hypoxemia;
decrease workload of CP system
Hypoxemia
Most common reason for oxygen
Low flow systems
Don’t meet patients flow rate needs
Nasal Canulla
Simple mask
Nonrebrether
Flow rate at 1 LPM (NC)
24%
High flow system
Meets patient flow rate needs
Face tent
Teach mask
Aresol mask
Venturi mask
FiO2
fraction of inspired oxygen
Flow rate at 2LPM(NC)
28%
Flow rate at 3 LPM(NC)
32%
Flow rate at 4 LPM(NC)
36%
Flow rate @ 5LPM(NC)
40%
Flow rate at 6 LPM(NC)
44%
Flow @ 2LPM (VM) and color
24% Blue
Flow @ 4LPM(VM) and color
28% yellow
Flow @ 6 LPM(VM) and color
31% white
Flow at 8 LPM(VM) and color
35% green
40% pink
Flow @ 12LPM(VM) and color
50% orange
What is the FiO2 for a simple mask
35-50%
What is the flow rate for the simple mask
5-10 L/min
What is the FiO2 for a nasal Cannula?
22-40%
What is the flow rate for Nasal Cannula
1/4-6 L/min
What is the FiO2 for a venturi mask
It varies should be > 60 L/min
What is the liter flow for NC bubble hu-
midifier
4-6 L/min
What is the liter flow for simple mask
5-10 L/min
what is the flow rate for a partial re-
breather
40-70%
What is the liter flow for a partial re-
breather
10-15 L/min
What is the fio2 for a nonrebreather?
What is the liter flow?
60-80%
10-15 L/min
what do both rebreather’s have in com-
mon
what is not in common
they both have a one-way valve
one has flaps one doesn’t
What is the fio2 for a face tent
what is the liter flow
40-50%
12-15 L/min
What is the fio2 for a trach mask?
what is the liter flow
35-60%
10-15 L/min
