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Rales

Crackles
Classification and external resources
Specialty Pulmonology
ICD-10 R09.8
ICD-9-CM 786.7
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Crackles, crepitations, or rales (Listeni/ˈrɑːlz/ RAHLZ or /ˈrælz/ RALZ) are the clicking, rattling, or crackling noises that may be made by one or both lungs of a human with a respiratory disease during inhalation. They are often heard only with a stethoscope ("on auscultation"). Bilateral crackles refers to the presence of crackles in both lungs.

Basal or basilar crackles (not to be confused with the basilar artery of the brain) are crackles apparently originating in or near the base of the lung. Bibasal or bibasilar crackles refer to crackles at the bases of both the left and right lungs. Bilateral basal crackles also refers to the presence of basal crackles in both lungs.


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Wikipedia

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