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Coarse crackles are discontinuous, brief, popping lung sounds. Compared to fine crackles they are louder, lower in pitch and last longer. They have also been described as a bubbling sound. You can simulate this sound by rolling strands of hair between your fingers near your ear.
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.rackles, crepitations, or rales (/ËraËls/ RAHLS or /Ëraels/ ËRÃ¦LS) rals 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