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Demand Valve Oxygen Therapy (DVOT) is a way of delivering high flow oxygen therapy using a device that only delivers oxygen when the patient breathes in and shuts off when they breathe out. DVOT is commonly used to treat conditions such as cluster headache , which affects up to four in 1000 people (0.4%), [ 1 ] [ 2 ] [ 3 ] and is a recommended ...
Oxygen piping and regulator with flow meter, for oxygen therapy, mounted in an ambulance Oxygen is widely used by hospitals, EMS , and first-aid providers in a variety of conditions and settings. A few indications frequently requiring high-flow oxygen include resuscitation , major trauma , anaphylaxis , major bleeding , shock , active ...
The original Aqua-Lung regulator was a single stage unit, packaged in a circular brass housing mounted on the cylinder valve behind the diver's neck. High pressure gas flows into the regulator from the cylinder valve outlet, and is blocked by the demand valve.
A resuscitator is a device using positive pressure to inflate the lungs of an unconscious person who is not breathing, in order to keep them oxygenated and alive. [citation needed] There are three basic types: a manual version (also known as a bag valve mask) consisting of a mask and a large hand-squeezed plastic bulb using ambient air, or with supplemental oxygen from a high-pressure tank.
A dilutor demand regulator draws ambient air into the mask through an orifice in the regulator, while concurrently being fed with pure oxygen through a demand valve in the regulator. For aeronautical use the size of the ambient air orifice is controlled by an aneroid valve operator and is directly proportional to atmospheric pressure. [ 12 ]
Catechins are antioxidants that neutralize free nitrogen and oxygen radicals. Studies have shown that they reduce the inflammation that may lead to many chronic and age-associated conditions, ...