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  2. Work of breathing - Wikipedia

    en.wikipedia.org/wiki/Work_of_breathing

    The normal relaxed state of the lung and chest is partially empty. Further exhalation requires muscular work. Inhalation is an active process requiring work. [4] Some of this work is to overcome frictional resistance to flow, and part is used to deform elastic tissues, and is stored as potential energy, which is recovered during the passive process of exhalation, Tidal breathing is breathing ...

  3. Buteyko method - Wikipedia

    en.wikipedia.org/wiki/Buteyko_method

    Treatments include a series of reduced-breathing exercises that focus on nasal-breathing, breath-holding and relaxation. Advocates of the Buteyko method claim that it can alleviate symptoms and reliance on medication for patients with asthma, chronic obstructive pulmonary disease (COPD), and chronic hyperventilation.

  4. Breathing performance of regulators - Wikipedia

    en.wikipedia.org/wiki/Breathing_performance_of...

    A typical graph produced when testing the breathing performance of a diving regulator. The breathing performance of regulators is a measure of the ability of a breathing gas regulator to meet the demands placed on it at varying ambient pressures and temperatures, and under varying breathing loads, for the range of breathing gases it may be expected to deliver.

  5. Heliox - Wikipedia

    en.wikipedia.org/wiki/Heliox

    Heliox is a breathing gas mixture of helium (He) and oxygen (O 2).It is used as a medical treatment for patients with difficulty breathing because this mixture generates less resistance than atmospheric air when passing through the airways of the lungs, and thus requires less effort by a patient to breathe in and out of the lungs.

  6. Spirometry - Wikipedia

    en.wikipedia.org/wiki/Spirometry

    The patient is asked to put on soft nose clips to prevent air escape and a breathing sensor in their mouth forming an air tight seal. Guided by a technician, the patient is given step by step instructions to take an abrupt maximum effort inhale, followed by a maximum effort exhale lasting for a target of at least 6 seconds.

  7. Venturi mask - Wikipedia

    en.wikipedia.org/wiki/Venturi_mask

    The venturi mask, also known as an air-entrainment mask, is a medical device to deliver a known oxygen concentration to patients on controlled oxygen therapy. [ 1 ] [ 2 ] The mask was invented by Moran Campbell at McMaster University Medical School as a replacement for intermittent oxygen treatment.

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    mail.aol.com

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  9. Peak expiratory flow - Wikipedia

    en.wikipedia.org/wiki/Peak_expiratory_flow

    Measurement of PEFR requires training to correctly use a meter and the normal expected value depends on the patient's sex, age, and height. It is classically reduced in obstructive lung disorders such as asthma. Due to the wide range of 'normal' values and the high degree of variability, peak flow is not the recommended test to identify asthma.