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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 ...

3. Acute exacerbation of chronic obstructive pulmonary disease

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

   An acute exacerbation of chronic obstructive pulmonary disease, or acute exacerbations of chronic bronchitis (AECB), is a sudden worsening of chronic obstructive pulmonary disease (COPD) symptoms including shortness of breath, quantity and color of phlegm that typically lasts for several days. It may be triggered by an infection with bacteria or viruses or by environmental pollutants ...

4. 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 ...

5. Effect of oxygen on chronic obstructive pulmonary disease

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

   Signs and symptoms. In individuals with chronic obstructive pulmonary disease and similar lung problems, the clinical features of oxygen toxicity are due to high carbon dioxide content in the blood (hypercapnia). [1] This leads to drowsiness (narcosis), deranged acid-base balance due to respiratory acidosis, and death.

6. Shortness of breath - Wikipedia

   en.wikipedia.org/wiki/Shortness_of_breath

   Patients with COPD and idiopathic pulmonary fibrosis (IPF) have a mild onset and gradual progression of dyspnea on exertion, punctuated by acute exacerbations of shortness of breath.

7. List of medical symptoms - Wikipedia

   en.wikipedia.org/wiki/List_of_medical_symptoms

   List of medical symptoms Medical symptoms refer to the manifestations or indications of a disease or condition, perceived and complained about by the patient. [1][2] Patients observe these symptoms and seek medical advice from healthcare professionals. Because most people are not diagnostically trained or knowledgeable, they typically describe their symptoms in layman's terms, rather than ...