Pneumonia is an infection of the lung tissue.

Depending on the extent of pneumonia in the respiratory tract, different types are identified:

  • Lobar affects a lobe of a lung.
  • Segmental affects a single segment.
  • Bronchopneumonia is when inflammation is spread across the bronchi or bronchioles.
  • Interstitial is when the pattern is more diffuse across the whole of the pulmonary parenchyma.

It can be caused by many different microorganisms, although the most common causes are S. pneumoniae (pneumococcus) and Mycoplasma.

Other microorganisms that can also cause pneumonia include Haemophilus, Klebsiella, Staphylococcus aureus, Legionella pneumophila, Chlamydia pneumoniae and some viruses.

Pneumònia Vall d'Hebron.png
Authorship: Vall d'Hebron
Creation date: 17.12.2021, 10:03
Modification date: 01.02.2022, 13:16
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