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  2. 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 ...

  3. Obstructive lung disease - Wikipedia

    en.wikipedia.org/wiki/Obstructive_lung_disease

    Diagnosis of obstructive disease requires several factors depending on the exact disease being diagnosed. However one commonality between them is an FEV1/FVC ratio less than 0.7, i.e. the inability to exhale 70% of their breath within one second. [11] Following is an overview of the main obstructive lung diseases.

  4. Alpha-1 antitrypsin deficiency - Wikipedia

    en.wikipedia.org/wiki/Alpha-1_antitrypsin_deficiency

    COPD, cirrhosis, neonatal jaundice, panniculitis [1] Usual onset: 20 to 50 years old [1] Causes: Mutation in the SERPINA1 gene [1] Risk factors: Northern European and Iberian ancestry: Diagnostic method: Based on symptoms, blood tests, genetic tests [2] Differential diagnosis: Asthma [1] Treatment: Medications, lung transplant, liver transplant ...

  5. Acute exacerbation of chronic obstructive pulmonary disease

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

    A history of exposure to potential causes and evaluation of symptoms may help in revealing the cause the exacerbation, which helps in choosing the best treatment. A sputum culture can specify which strain is causing a bacterial AECB. [5] An early morning sample is preferred. [7] E-nose showed the ability to smell the cause of the exacerbation. [8]

  6. Asthma-COPD overlap - Wikipedia

    en.wikipedia.org/wiki/Asthma-COPD_overlap

    ACO presents with symptoms of both asthma and COPD. [1] ACO presents in adulthood, usually after the age of 40 (after there has been significant tobacco smoke or other toxic fumes exposure), with symptoms of dyspnea (shortness of breath), exercise intolerance, sputum production, cough and episodes of symptomatic worsening known as exacerbations.

  7. Emphysema - Wikipedia

    en.wikipedia.org/wiki/Emphysema

    Alpha-1 antitrypsin deficiency is a genetic risk factor that may lead to the condition presenting earlier. [9] When associated with significant airflow limitation, emphysema is a major subtype of chronic obstructive pulmonary disease (COPD), a progressive lung disease characterized by long-term breathing problems and poor airflow.

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