Nasal cannulas and face masks are used to deliver oxygen to people who don’t otherwise get enough of it. They are commonly used to provide relief to people with respiratory disorders. A nasal cannula consists of a flexible tube that is placed under the nose. The tube includes two prongs that go inside the nostrils.
Oxygen Therapy Administration
The simple face mask can deliver higher flow rates than nasal cannula (6–10 liters per minute) for an FiO2 of 40–60% oxygen .
An oxygen mask provides a method to transfer breathing oxygen gas from a storage tank to the lungs. Oxygen masks may cover only the nose and mouth (oral nasal mask ) or the entire face (full-face mask ).
The tube includes two prongs that go inside the nostrils. A face mask covers the nose and mouth. Nasal cannulas and simple face masks are typically used to deliver low levels of oxygen . Another type of mask , the Venturi mask , delivers oxygen at higher levels.
Some people need to use oxygen masks instead of nasal cannula because masks can better control higher oxygen concentrations, carbon dioxide re-breathing, and how much ambient air mixes in with the oxygen .
As you can see from the two definitions of the phrases, an oxygen mask is a mask that patients wear over their nose and their mouth so that oxygen can be supplied to them from a storage tank. Whereas for a nebulizer mask , it is used to open up the airways in the lungs when asthmatic occurs.
Long term, regular oxygen therapy can significantly improve the quality and length of life for people with COPD . Many of them may need to receive oxygen therapy for at least 15 hours every day. One study found that continuous supplemental oxygen is most beneficial to people with COPD , and can increase survival rates.
Your body can ‘t live without the oxygen you breathe in from the air. But if you have lung disease or other medical conditions, you may not get enough of it. That can leave you short of breath and cause problems with your heart, brain, and other parts of your body.
Oxygen therapy is generally safe, but it can cause side effects. They include a dry or bloody nose, tiredness , and morning headaches . Oxygen poses a fire risk, so you should never smoke or use flammable materials when using oxygen. If you use oxygen tanks, make sure your tank is secured and stays upright.
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The venturi or air-entrainment mask is a high flow device that delivers a fixed oxygen concentration of 24% to 50%. This device is appropriate for patients who have a hypoxic drive to breathe but also need supplemental oxygen; for example, those with chronic obstructive pulmonary disease (COPD).
A high – flow system can deliver very accurate oxygen concentrations, but is often uncomfortable and obtrusive. HFO consists of a heated, humidified high – flow nasal cannula (HFNC) that can deliver up to 100% heated and humidified oxygen at a maximum flow of 60 LPM via nasal prongs or cannula.
The Venturi mask is often utilized in the COPD patient population where the risk of knocking out the patient’s hypoxic drive is of concern. An aerosol-generating device will deliver anywhere from 21 to 100% FiO2 depending on how it is set up.
The normal flow rate of oxygen is usually six to 10 litres per minute and provides a concentration of oxygen between 40-60%.
Adding some padding and strap covers can make your mask much more comfortable to wear, especially if you use oxygen continuously or at night. Just make sure you remember to remove and clean any pads or covers your use often with warm soap and water, and replace the padding regularly as the manufacturer recommends.
15 liters per minute