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== Management ==
== Management ==
Treating the underlying cause is essential, but measures to improve hypoxaemia and hypercapnia are important as well, to prevent worsening. [[Oxygen supplementation]], [[non-invasive ventilation]], or [[invasive ventilation]] may be used.
<section begin="management" />Treating the underlying cause is essential, but measures to improve hypoxaemia and hypercapnia are important as well, to prevent worsening. [[Oxygen supplementation]], [[non-invasive ventilation]], or [[invasive ventilation]] may be used.
 
<section end="management" />
=== Oxygen supplementation in COPD ===
=== Oxygen supplementation in COPD ===
Persons with COPD may occasionally require oxygen therapy, for example during a COPD exacerbation or pneumonia. However, administration of oxygen to some people with COPD causes hypercapnia. This has often been explained by the following mechanism:
Persons with COPD may occasionally require oxygen therapy, for example during a COPD exacerbation or pneumonia. However, administration of oxygen to some people with COPD causes hypercapnia. This has often been explained by the following mechanism: