Methods Of Oxygen

Question 1

Simple face mask

Answer 1

Nose mouth covered 
Short term 
O2 35-50% 6-12L 
Wash dry mask Q2h
Assess ears for necrosis

Question 2

Partial and non rebreather masks

Answer 2

Short term 24h
60-90% 10-15L
Vents remain open on partial mask
Bag must be inflated may increase liter flow to do so
Nonrebreather- valves open during exp and closed during inhalation

Question 3

Venturi mask

Answer 3

Precise high flow rates O2
24.28.31.35.40, 50%

Administered low constant O2 concentrations to pts with COPD

Question 4

Nasal cannula

Answer 4

Via nasal prongs
O2 24% -1L
44%-6L
>5L nasal membranes may dry and cause pain frontal sinus