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  2. Pulmonary rehabilitation - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_rehabilitation

    Before and after lung surgery [9] Interstitial lung disease: Pulmonary rehabilitation may be safe and may help improve functional exercise capacity, a person's short-term quality of life, and improve shortness of breath . [8] Asthma: moderate quality evidence suggests asthmatics may have improvement in quality of life and exercise capacity.

  3. Vital capacity - Wikipedia

    en.wikipedia.org/wiki/Vital_capacity

    Vital capacity (VC) is the maximum amount of air a person can expel from the lungs after a maximum inhalation. It is equal to the sum of inspiratory reserve volume, tidal volume, and expiratory reserve volume. It is approximately equal to Forced Vital Capacity (FVC). [1][2] A person's vital capacity can be measured by a wet or regular spirometer.

  4. Cardiorespiratory fitness - Wikipedia

    en.wikipedia.org/wiki/Cardiorespiratory_fitness

    Cardiorespiratory fitness (CRF) refers to the ability of the circulatory and respiratory systems to supply oxygen to skeletal muscles during sustained physical activity. Scientists and researchers use CRF to assess the functional capacity of the respiratory and cardiovascular systems. These functions include ventilation, perfusion, gas exchange ...

  5. Obstructive lung disease - Wikipedia

    en.wikipedia.org/wiki/Obstructive_lung_disease

    Obstructive lung disease is a category of respiratory disease characterized by airway obstruction. Many obstructive diseases of the lung result from narrowing (obstruction) of the smaller bronchi and larger bronchioles, often because of excessive contraction of the smooth muscle itself. It is generally characterized by inflamed and easily ...

  6. FEV1/FVC ratio - Wikipedia

    en.wikipedia.org/wiki/FEV1/FVC_ratio

    In obstructive lung disease, the FEV1 is reduced due to an obstruction of air escaping from the lungs. Thus, the FEV1/FVC ratio will be reduced. [4] More specifically, according to the National Institute for Clinical Excellence, the diagnosis of COPD is made when the FEV 1 /FVC ratio is less than 0.7 or [8] the FEV 1 is less than 75% of predicted; [9] however, other authoritative bodies have ...

  7. Lung volumes - Wikipedia

    en.wikipedia.org/wiki/Lung_volumes

    e. Lung volumes and lung capacities refer to the volume of air in the lungs at different phases of the respiratory cycle. The average total lung capacity of an adult human male is about 6 litres of air. [1] Tidal breathing is normal, resting breathing; the tidal volume is the volume of air that is inhaled or exhaled in only a single such breath ...

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