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  2. Global Initiative for Chronic Obstructive Lung Disease

    en.wikipedia.org/wiki/Global_Initiative_for...

    GOLD's approach to evidence-based medicine was more rigorous than the previous COPD recommendations, but other organizations, including the National Institute for Health and Care Excellence, use more complex systems. [2] GOLD's recommendations are also updated more frequently than was typical in the past. [2]

  3. Chronic obstructive pulmonary disease - Wikipedia

    en.wikipedia.org/wiki/Chronic_obstructive...

    Chronic obstructive pulmonary disease (COPD) is a type of progressive lung disease characterized by chronic respiratory symptoms and airflow limitation. [8] GOLD 2024 defined COPD as a heterogeneous lung condition characterized by chronic respiratory symptoms (dyspnea or shortness of breath, cough, sputum production or exacerbations) due to abnormalities of the airways (bronchitis ...

  4. Obstructive lung disease - Wikipedia

    en.wikipedia.org/wiki/Obstructive_lung_disease

    COPD is defined as a forced expiratory volume in 1 second divided by the forced vital capacity (FEV1/FVC) that is less than 0.7 (or 70%). [8] The residual volume, the volume of air left in the lungs following full expiration, is often increased in COPD, as is the total lung capacity, while the vital capacity remains relatively normal.

  5. World Chronic Obstructive Pulmonary Disease Day - Wikipedia

    en.wikipedia.org/wiki/World_Chronic_Obstructive...

    The 2023 theme for World COPD Day is “Breathing is Life - Act Earlier”. This theme underscores the importance of early lung health, early diagnosis, and prompt interventions. COPD can start early in life, affecting young individuals, and identifying precursor conditions allows for timely treatment. [10] [11]

  6. Pulmonary function testing - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_function_testing

    The Global Initiative for Chronic Obstructive Lung Disease provides guidelines for the diagnosis, severity, and management of COPD. [20] To determine obstruction in a patient's lungs, the post-bronchodilator FEV1/FVC needs to be <0.7. [17]

  7. 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 ...

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