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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 and/or exacerbations) due to abnormalities of the airways (bronchitis ...

3. 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.

4. Effect of oxygen on chronic obstructive pulmonary disease

   en.wikipedia.org/wiki/Effect_of_oxygen_on...

   Many people with chronic obstructive pulmonary disease have a low partial pressure of oxygen in the blood and high partial pressure of carbon dioxide.Treatment with supplemental oxygen may improve their well-being; alternatively, in some this can lead to the adverse effect of elevating the carbon dioxide content in the blood (hypercapnia) to levels that may become toxic.

5. A Guide for Living With COPD - AOL

   www.aol.com/guide-living-copd-210000074.html

   COPD is a risk factor for coronary artery disease (CAD)—a type of heart disease caused by buildup of plaque in the arteries, says Dr. Attaway. Research suggests that CAD is a leading cause of ...

6. Dutch hypothesis - Wikipedia

   en.wikipedia.org/wiki/Dutch_hypothesis

   Although clinically debated, [6] [7] the Dutch hypothesis remains one of four main plausible explanations which could help explain the complex pathogenesis of COPD, others being the protease-antiprotease hypothesis (involving alpha 1-antitrypsin overexpression and consequent alpha-1 proteinase deficiency), the British hypothesis (regarding a ...

7. Respiratory disease - Wikipedia

   en.wikipedia.org/wiki/Respiratory_disease

   The widely accepted pathophysiology of respiratory distress syndrome is it caused by insufficient surfactant production and immature lung and vascular development. The lack of surfactant makes the lungs atelectatic causing a ventilation to perfusion mismatch, lowered compliance, and increased air resistance.