Definition of crepitus in US English:

crepitus

noun

Medicine
  • 1A grating sound or sensation produced by friction between bone and cartilage or the fractured parts of a bone.

    • ‘Findings on physical examination include decreased range of motion, crepitus, a mild joint effusion, and palpable osteophytic changes at the knee joint.’
    • ‘The knee often clicks as it moves through its range of movement and usually the patient feels and hears grating or crepitus under their kneecap.’
    • ‘Physical examination frequently reveals crepitus at the fracture site.’
    • ‘Palpation of the nasal structures should be done to elicit any crepitus, indentation, or irregularity of the nasal bone.’
    • ‘The patella and its supporting structures, bilateral joint lines and collateral ligaments are palpated for tenderness, crepitus and localized swelling.’
    1. 1.1 The production of crepitations in the lungs; rale.
      • ‘Some had opportunities to palpate subcutaneous crepitus, others could see effects and treatment of respiratory/metabolic acid-base imbalances.’
      • ‘The presence of crepitus indicates subcutaneous emphysema.’
      • ‘Palpate the chest for subcutaneous emphysema and crepitus, and percuss for dullness, an indication of consolidations or effusions.’
      • ‘Subcutaneous emphysema can be diagnosed by the presence of crunching sounds coinciding with the heart rate, crepitus when palpating the overlying skin, or swelling of the face and neck.’

Origin

Early 19th century: from Latin, from crepare ‘rattle’.

Pronunciation

crepitus

/ˈkrepədəs/