when do you hear crackles in the lungs
Crackles Crackles, crepitations, or rales (/ˈrɑːlz/ ( listen) RAHLZ or /ˈrælz/ RALZ[1]) 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[citation needed] heard only with a stethoscope ("on auscultation"). Bilateral crackles refers to the presence of crackles in both lungs.