Crackles Lung Sounds
Welcome to our website's crackles lung sounds page. On this page we provide a definition of crackles, including its clinical significance. We then compare fine and coarse crackles with audio recordings and text. Finally, there is a link to the crackles training lessons available on this site.
Crackles Lung Sounds Definition
Crackles are abnormal lung sounds characterized by discontinuous clicking or rattling sounds. Crackles can sound like salt dropped onto a hot pan or like cellophane being crumpled or like velcro being torn open.
Fine vs Coarse Crackles
Listen to thse fine crackles. The sound is like salt added to a hot pan.
These coarse crackles are lower in pitch and have increased volume intensity. Often they have longer duration.