crackle

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rale

[rahl]

a discontinuous sound heard on auscultation, primarily during inhalation; called also crackle.

crepitant rale a fine sound like that of rubbing a hair between the fingers or by particles of salt thrown on fire; heard at the end of inhalation. Called also crepitus.

dry rale a fine sound associated with any of various interstitial lung diseases, such as idiopathic pulmonary fibrosis.

moist rale one heard over fluid in the bronchial tubes.

subcrepitant rale a fine moist rale heard over liquid in the smaller tubes; called also crackling rale.

rale

(rahl),

Ambiguous term for an added sound heard on auscultation of breath sounds; used by some to denote rhonchus and by others for crepitation.

Synonym(s): crackle

[Fr. rattle]

crac·kle

(krak'ĕl)

Short, sharp, or rough sounds heard with a stethoscope over the chest. Abnormal breath sounds caused by excessive fluid within the airways.