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2. Acute exacerbation of chronic obstructive pulmonary disease

   en.wikipedia.org/wiki/Acute_exacerbation_of...

   The definition of a COPD exacerbation is commonly described as "lost in translation", [9] meaning that there is no universally accepted standard with regard to defining an acute exacerbation of COPD. Many organizations consider it a priority to create such a standard, as it would be a major step forward in the diagnosis and quality of treatment ...

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 and/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. Merck's therapy for rare lung condition shown to help reduce ...

   www.aol.com/news/mercks-therapy-rare-lung...

   Merck said its drug met the main goal of significantly reducing the time to disease worsening, lung transplantation or death in a late-stage study of 172 patients with advanced stages of the ...

6. Asthma-COPD overlap - Wikipedia

   en.wikipedia.org/wiki/Asthma-COPD_overlap

   Asthma and COPD were once thought of as distinct entities; however, in some, there are clinical features of both asthma and COPD with significant overlap in pathophysiology and symptom profile. It is unclear whether ACO is a separate disease entity or a clinical subtype of asthma and COPD.

7. Spirometry - Wikipedia

   en.wikipedia.org/wiki/Spirometry

   Doing spirometry. Spirometry (meaning the measuring of breath) is the most common of the pulmonary function tests (PFTs). It measures lung function, specifically the amount (volume) and/or speed (flow) of air that can be inhaled and exhaled.