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  2. Demand valve oxygen therapy - Wikipedia

    en.wikipedia.org/wiki/Demand_Valve_Oxygen_Therapy

    High flow oxygen therapy, delivered at a rate of between 7 and 15 litres per minute, has been recognized as an effective treatment for cluster headache since 1981. [6] Since then, several double-blind, randomized, placebo-controlled, crossover trials have provided further clinical evidence for its efficacy. [7] [8]

  3. 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 .

  4. 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 ...

  5. Breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Breathing_apparatus

    Oxygen therapy is the use of supplemental oxygen as medical therapy. [46] Acute indications for therapy include hypoxemia (low blood oxygen levels), carbon monoxide toxicity, cluster headache and decompression illness. It may also be prophylactically given to maintain blood oxygen levels during the induction of anesthesia. [47]

  6. What type of mask works best against COVID-19? Where ... - AOL

    www.aol.com/type-mask-works-best-against...

    As the omicron variant of COVID-19 has surged in Connecticut, experts say masks remain an essential tool to control the spread of the virus. At the same time, the question of which type of mask to ...

  7. 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 ...