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  2. Demand valve oxygen therapy - Wikipedia

    en.wikipedia.org/wiki/Demand_Valve_Oxygen_Therapy

    This means that almost 100 percent of the oxygen is inhaled, while the amount of exhaled carbon dioxide that the patient rebreathes is minimized. Demand valve function Demand valve exhalation Demand valve inhalation. Compared to other mask types, demand valves have been better at achieving pain relief at 15 minutes in the first cluster headache ...

  3. Cluster headache - Wikipedia

    en.wikipedia.org/wiki/Cluster_headache

    [25] [26] In episodic cluster headache, attacks occur once or more daily, often at the same time each day for a period of several weeks, followed by a headache-free period lasting weeks, months, or years. Approximately 10–15% of cluster headaches are chronic, with multiple headaches occurring every day for years, sometimes without any ...

  4. Non-rebreather mask - Wikipedia

    en.wikipedia.org/wiki/Non-rebreather_mask

    A non-rebreather mask (NRB, non-rebreather, non-rebreather facemask, etc.) is a device used in medicine to assist in the delivery of oxygen therapy. A NRB requires that the patient can breathe unassisted, but unlike a low-flow nasal cannula , the NRB allows for the delivery of higher concentrations of oxygen .

  5. The best sleep masks of 2025, according to sleep scientists - AOL

    www.aol.com/lifestyle/best-sleep-masks-195532296...

    Saatva's weighted eye mask takes a two-pronged approach to improving sleep — blocking light and deep pressure stimulation. At $75, this one could also make our list as the best luxury sleep mask ...

  6. Oxygen mask - Wikipedia

    en.wikipedia.org/wiki/Oxygen_mask

    An oxygen mask is a mask that 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). They may be made of plastic, silicone, or rubber. In certain circumstances, oxygen may be delivered via a nasal cannula instead ...

  7. Elastomeric respirator - Wikipedia

    en.wikipedia.org/wiki/Elastomeric_respirator

    Elastomeric masks must be individually fit-tested and inspected for full efficacy. [2] They may be somewhat easier to fit than filtering facepiece respirators. Older mask designs were designed only to fit young adult men of average weight and a narrow range of ethnicities; newer ones use updated anthropometry and fit more people. [5]

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