Which pulmonary findings suggest cystic fibrosis (CF)?

Updated: Sep 28, 2020
  • Author: Girish D Sharma, MD, FCCP, FAAP; Chief Editor: Kenan Haver, MD  more...
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Findings related to the pulmonary system may include the following:

  • Tachypnea

  • Respiratory distress with retractions

  • Wheeze or crackles

  • Cough (dry or productive of mucoid or purulent sputum)

  • Increased anteroposterior diameter of chest

  • Clubbing

  • Cyanosis

  • Hyperresonant chest upon percussion (crackles are heard acutely in associated pneumonitis or bronchitis and chronically with bronchiectasis)

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