As a nursing student you are probably learning all about oxygen masks and their uses. I’m here to go over all things oxygen masks, when to use them, benefits of each, and a few tips and tricks that will help you along the way. Ready to get started? Let’s go.
Nasal Cannula
Delivers: FiO2- 24% – 44%, Flow rate- 1 to 6L/min.
Let’s start with the most basic mask of all. Meet the Nasal Cannula. The Nasal Cannula is a low-flow oxygen delivery mask. It has two prongs that are inserted into the nostrils which deliver oxygen to the patient. A nasal cannula is probably the simplest and most comfortable oxygen delivery device and is usually well tolerated. The patient is able to talk and eat easily.
However, not all patients are a fan of this type of oxygen delivery system. Pediatric patients tend to hate the nasal cannula since they don’t like prongs in their nose. Aside from this, they don’t seem to like the idea of a tube wrapped around their face. If they give you lots of trouble (constantly pulling it down and removing the oxygen) you may have to resort to a simple mask or a blow-by (holding a mask delivering oxygen slightly away from the patient’s face).
Simple oxygen Mask
Delivers: FiO2- 35% to 50%, Flow rate: 6 to 12L/min
Unlike the nasal cannula, a simple face mask is placed over your patient’s nose and mouth. You use this mask when a patient needs a minimum of 6L/min to ensure removal of exhaled CO2 (which is what the holes on the side of the mask do). Do not use a simple mask with flow rates lower than 6L/min.
A simple face mask is easy to apply and depending on the patient can be more comfortable. This is also a great alternative for patient’s who are “mouth breathers” at night since a nasal cannula won’t give them the full oxygen they need.
Venturi Mask
Delivery: FiO2- 24% to 50%, Flow rate- 4 to 12L/min
The Venturi Mask is one of the only high-flow oxygen delivery devices other than the high-flow nasal cannula. Like the other face masks, it also fully covers the nose and mouth. It is used mostly in emergency situations or in patients who have chronic lung disease. This is because it delivers the most precise humidified oxygen concentrations. The delivery of oxygen in a Venturi mask is distributed via different size adapters. These adapters control the amount of flow rate and FiO2 released to the patient.
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Post time: Feb-23-2024