noun(usually rales) Medicine
An abnormal rattling sound heard when examining unhealthy lungs with a stethoscope.
- The physical exam may be normal or the lung exam may reveal fine rales or wheezes.
- Examination of the lungs may initially reveal focal rales that will eventually become diffuse.
- Physical examination of the lungs may reveal rales and pleural effusions.
Early 19th century: from French râle, from râler 'to rattle'.
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