Crackles / Crepitations | Signs - MedSchool
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Crackles / Crepitations

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Overview

  • Crackles or crepitations are short, explosive sounds heard on auscultation of the chest.  They may be fine or coarse in character, and may be cleared by coughing (if due to secretions).
    • Causes of Crackles / Crepitations

    • Coarse Crepitations

    • Pneumonia
    • Bronchiectasis
    • Chronic bronchitis
    • Pulmonary oedema - congestive cardiac failure, fluid overload
    • Fine Crepitations

    • Interstitial lung fibrosis
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