noun[mass noun] Medicine
1A grating sound or sensation produced by friction between bone and cartilage or the fractured parts of a bone.
- Physical examination frequently reveals crepitus at the fracture site.
- The patella and its supporting structures, bilateral joint lines and collateral ligaments are palpated for tenderness, crepitus and localized swelling.
- 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.
1.1The production of crepitations in the lungs; rale.
- Palpate the chest for subcutaneous emphysema and crepitus, and percuss for dullness, an indication of consolidations or effusions.
- 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.
Early 19th century: from Latin, from crepare 'rattle'.
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