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  2. Flow-restricted, oxygen-powered ventilation device - Wikipedia

    en.wikipedia.org/wiki/Flow-restricted,_oxygen...

    The main components of flow-restricted, oxygen-powered ventilation devices include An inspiratory pressure safety release valve. A trigger or level positioned to allow both hands to remain on the mask to provide an airtight seal while supporting and tilting the patients head. A peak flow rate of 100% oxygen at up to 40 L/min.

  3. Minute ventilation - Wikipedia

    en.wikipedia.org/wiki/Minute_ventilation

    A normal minute volume while resting is about 5–8 liters per minute in humans. [1] Minute volume generally decreases when at rest, and increases with exercise. For example, during light activities minute volume may be around 12 litres. Riding a bicycle increases minute ventilation by a factor of 2 to 4 depending on the level of exercise involved.

  4. Spirometry - Wikipedia

    en.wikipedia.org/wiki/Spirometry

    MMEF or MEF stands for maximal (mid-)expiratory flow and is the peak of expiratory flow as taken from the flow-volume curve and measured in liters per second. It should theoretically be identical to peak expiratory flow (PEF), which is, however, generally measured by a peak flow meter and given in liters per minute.

  5. Monitor your pulse and blood oxygen levels with a pulse ... - AOL

    www.aol.com/lifestyle/monitor-pulse-blood-oxygen...

    Make sure you’re getting enough oxygen with this oximeter! Click here to shop: https://amzn.to/3foUgvn Our team is dedicated to finding and telling you more about the products and deals we love.

  6. Heated humidified high-flow therapy - Wikipedia

    en.wikipedia.org/wiki/Heated_humidified_high...

    Heated humidified high-flow therapy, often simply called high flow therapy, is a medical treatment providing respiratory support by delivering a flow of oxygen of up to 60 liters per minute to a patient through a large-bore or high-flow nasal cannula. Primarily studied in neonates, it has also been found effective in some adults to treat ...

  7. Self-contained breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Self-contained_breathing...

    The endurance of the cylinder can be calculated from the volume, pressure and breathing rate of the user. The formula: volume (in liters) × pressure (in bars) / 40 (litres per minute) - 10 minutes (the 10 minutes is a safety margin, or reserve), so a 6-liter cylinder, of 300 bar, is 6 × 300 / 40 - 10 = 35 minutes working duration.

  8. Portable oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Portable_oxygen_concentrator

    Since their initial development, reliability has been improved, and POCs have between one and six settings which are not the same as liters per minute (LPM). [ 4 ] The latest models of intermittent flow only products have weighed in the range of from 2.8 to 9.9 pounds (1.3 to 4.5 kg), and continuous flow (CF) units have been between 10 and 20 ...

  9. Nasal cannula - Wikipedia

    en.wikipedia.org/wiki/Nasal_cannula

    The nasal cannula (NC) is a device used to deliver supplemental oxygen or increased airflow to a patient or person in need of respiratory help. This device consists of a lightweight tube which on one end splits into two prongs which are placed in the nostrils curving toward the sinuses behind the nose, and from which a mixture of air and oxygen flows. [1]

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