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2437 pages added, reviewed or updated during the last month (last updated: 23/4/2021)


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further investigations

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Further investigations in cystic fibrosis include:

  • sputum culture
  • skin test for aspergillus as 20% develop allergic bronchopulmonary aspergillosis
  • chest radiography
  • pulmonary function tests:
    • there may be an obstructive defect causing a reduction in FEV1 and VC
    • the FEV1/VC ratio is reduced
  • in severe cases arterial blood gas sampling shows chronic hypoxia and hypercapnia
  • glucose tolerance test
  • malabsorption screen

Last reviewed 01/2018

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