Oxygen Masks

We use three different oxygen masks, each for different administrations. The nasal cannula, simple face mask, and the non-rebreather mask.

The nasal cannula are used for patients needing only low-flow supplemental oxygen. Patients with breathing difficulties and conditions such as emphysema or other pulmonary pathologies require the nasal cannula. The flow rate for the cannula is around .5 to 4 liters per minute (LPM).

The simple face mask are used for patients requiring more oxygen than is delivered via the cannula. The flow rate for the simple face mask is between 4 to 8 LPM. The simple face mask differs from the Non-Rebreather in that outside air is mixed with the incoming oxygen.

The Non-Rebreather mask (NRB) are used for patients requiring large quantities of oxygen. Patients suffering from traumatic injuries or cardiac related illnesses call for the NRB. The NRB employs a large reservoir that fills while the patient is exhaling. The exhalate is forced through small holes on the side of the mask. These holes are sealed while the patient is inhaling, thus preventing outside air from entering. The patient is breathing pure oxygen. The flow rate for the NRB is 10 to 15 LPM.

Of course, in addition to the masks, we carry two types of oxygen cylinders, the Class D and Class E within our ambulances.

The Class-D Cylinder contains 415 Liters of oxygen at 2,015 psi.

The Class-D is our portable oxygen cylinder. We carry this cylinder as part of our jumpkit.

The Class-E Cylinder contains 682 Liters of oxygen at 2,015 psi.

This class of cylinder is mounted in our ambulances as our on-board oxygen delivery system.

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