crackle

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rale

 [rahl]
a discontinuous sound heard on auscultation, primarily during inhalation; called also crackle.
crackling rale subcrepitant rale.
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]

crackle

/crack·le/ (krak´'l) rale.

crackle

a common, abnormal respiratory sound consisting of discontinuous bubbling noises heard on auscultation of the chest during inspiration. Fine crackles have a popping sound produced by air entering distal bronchioles or alveoli that contain serous secretions, as in congestive heart failure, pneumonia, or early tuberculosis. Coarse crackles may originate in the larger bronchi or trachea and have a lower pitch. Crackles are not cleared by coughing. Formerly called rale. Compare rhonchus, wheeze. See also coarse crackle.

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.
[echoic]
References in classic literature ?
And, provided with a lentil, he lighted a fire of dead wood that crackled joyously.
Then it was as if an invisible yet intensely heated finger were drawn through the heather between me and the Martians, and all along a curving line beyond the sand pits the dark ground smoked and crackled.
There, on a table, surrounded at some distance by a large and luxurious divan, every species of tobacco known, -- from the yellow tobacco of Petersburg to the black of Sinai, and so on along the scale from Maryland and Porto-Rico, to Latakia, -- was exposed in pots of crackled earthenware of which the Dutch are so fond; beside them, in boxes of fragrant wood, were ranged, according to their size and quality, pueros, regalias, havanas, and manillas; and, in an open cabinet, a collection of German pipes, of chibouques, with their amber mouth-pieces ornamented with coral, and of narghiles, with their long tubes of morocco, awaiting the caprice or the sympathy of the smokers.
Behind this figure glowed a vast fireplace alive with leaping flames; great logs of oak blazed and crackled on the polished brass andirons whose flicker shone upon the superb habiliments of the lonely tenant of the room, which was illumined grandly by twin candelabra rich with wax-lights.
To chase away the gloom, the family threw pine branches on their fire, till the dry leaves crackled and the flame arose, discovering once again a scene of peace and humble happiness.
I fancy it kept me warm, even in my slumbers, better than the high pile of blankets, which positively crackled with frost as I threw them off in the morning.
A cascade of Oddities, chips of broken comb, scale, fluff, and grubs slid out, crackled, sizzled, popped a little, and then the flames roared up and consumed all that fuel.
In the great old-fashioned fireplace behind the high iron dogs a log-fire crackled and snapped.
If it gets over the hedge we're done," said Summerlee, and his voice crackled into a nervous laugh as he spoke.
A little way within the shop-door lay heaps of old crackled parchment scrolls and discoloured and dog's-eared law-papers.
The dripping-pan, where crackled a rain of grease, filled with its continual sputtering the intervals of these thousand dialogues, which intermingled from one end of the apartment to the other.