Ralesnoun
(medicine) Abnormal clicking, rattling or crackling sound heard from the lungs, often audible only with a stethoscope.
Cracklesnoun
rales
Crackles
Crackles 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 usually heard only with a stethoscope ().