Medical Gases Check Off

Nasal Cannula definition

Most common oxygen delivery device with prongs that insert into the nose with tubing that connects directly to the flow meter or bubble humidifier.

Low flow devices for check off

Nasal cannula, simple mask, rebreather , partial rebreather

Nasal cannula flow amount

5 to 6 liters

Nasal cannula Fio2

22% to 40%

When should a bubbler be used for a nasal cannula?

When using flows above 4 liters per minute since this amount of flow can cause dryness and irritation.

Simple mask flow amount

5 to 10 liters

Simple mask Fio2

35% to 50%

Simple mask definition

Mask that covers both the nose and mouth designed to store oxygen between breaths and exhales out of holes in the mask body.

High flow oxygen devices

Venturi mask only

Non rebreather definition

Mask that covers the nose and mouth with a bag to increase the reservoir volume to provide high Fio2 than a simple mask.

Partial nonrebreather mask definition

Mask that covers the nose and mouth with a bag filled 2/3 of the way with no valves separating the mask and the bag to allow for CO2 to exit out of the side holes

Nonrebreather mask flow

10-15 liters, the highest amount of all devices

Nonrebreather mask Fio2

60-80% , the highest amount of Fio2

Venturi mask flow

Depends on the colored piece ordered by the doctor that indicates the flow and fixed Fio2

Venturi mask fixed precise Fio2

24% to 50%

Venturi mask definition

Air- entrainment mask with controlled Fio2 by using air-entrainment ports that control the amount of air mixed with oxygen.

Partial rebreather flow

10+ lpm

Partial rebreather Fio2

40% to 70%

Fio2 abbreviation

Fraction of inspired Oxygen, the exact percentage of oxygen a person is inhaling.

Normal air FiO2

21%