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  2. Pneumonia - Wikipedia

    en.wikipedia.org/wiki/Pneumonia

    Pneumonia is an inflammatory condition of the lung primarily affecting the small air sacs known as alveoli. [3] [14] Symptoms typically include some combination of productive or dry cough, chest pain, fever, and difficulty breathing. [15]

  3. Classification of pneumonia - Wikipedia

    en.wikipedia.org/wiki/Classification_of_pneumonia

    Necrotizing pneumonia (NP), also known as cavitary pneumonia or cavitatory necrosis, is a rare but severe complication of lung parenchymal infection. [ 5 ] [ 6 ] [ 7 ] In necrotizing pneumonia, there is a substantial liquefaction following death of the lung tissue, which may lead to gangrene formation in the lung.

  4. Community-acquired pneumonia - Wikipedia

    en.wikipedia.org/wiki/Community-acquired_pneumonia

    The object lodges in a small airway, and pneumonia develops in the obstructed area of the lung. Another cause of obstruction is lung cancer, which can block the flow of air. Lung disease - Patients with underlying lung disease are more likely to develop pneumonia. Diseases such as emphysema and habits such as smoking result in more frequent and ...

  5. Pneumococcal pneumonia - Wikipedia

    en.wikipedia.org/wiki/Pneumococcal_pneumonia

    Pneumococcal pneumonia is a type of bacterial pneumonia that is caused by Streptococcus pneumoniae (pneumococcus). [1] It is the most common bacterial pneumonia found in adults, the most common type of community-acquired pneumonia, and one of the common types of pneumococcal infection. The estimated number of Americans with pneumococcal ...

  6. Aspiration pneumonia - Wikipedia

    en.wikipedia.org/wiki/Aspiration_pneumonia

    Aspiration pneumonia is a type of lung infection that is due to a relatively large amount of material from the stomach or mouth entering the lungs. [1] Signs and symptoms often include fever and cough of relatively rapid onset. [ 1 ]

  7. Bacterial pneumonia - Wikipedia

    en.wikipedia.org/wiki/Bacterial_pneumonia

    Atypical bacteria causing pneumonia are Coxiella burnetii, Chlamydophila pneumoniae (), Mycoplasma pneumoniae (), and Legionella pneumophila.. The term "atypical" does not relate to how commonly these organisms cause pneumonia, how well it responds to common antibiotics or how typical the symptoms are; it refers instead to the fact that these organisms have atypical or absent cell wall ...

  8. Viral pneumonia - Wikipedia

    en.wikipedia.org/wiki/Viral_pneumonia

    Pneumonia is an infection that causes inflammation in one or both of the lungs. The pulmonary alveoli fill with fluid or pus making it difficult to breathe. [1] Pneumonia can be caused by bacteria, viruses, fungi or parasites. [1] Viruses are the most common cause of pneumonia in children, while in adults bacteria are a more common cause. [2]

  9. Pulmonary aspiration - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_aspiration

    Aspiration pneumonia, Chemical pneumonitis, Death Pulmonary aspiration is the entry of solid or liquid material such as pharyngeal secretions, food, drink, or stomach contents from the oropharynx or gastrointestinal tract , into the trachea and lungs . [ 1 ]

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