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crackles |
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crackles a small, sharp sound heard on auscultation. Caused by dry, bristly hair and insufficient pressure on the stethoscope head. Also characteristic of emphysema, especially when it is subcutaneous. An early observation in pleurisy but disappears as exudate separates pleural surfaces. See also rale. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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