Auscultation Training by Repetition
Crackles - Coarse (Rales)
Course crackles are discontinuous, brief, popping sounds. Similar to the sound of a hook and loop fastener being pulled apart. They have also been described as a bubbling sound. More common during inspiration.
If you wish to review a complete lesson concerning this sound, the following lesson modules(s) may be useful.
Each lesson includes text that covers an auscultatory sound, a waveform and an animation video.
Comments on this beta version will be welcomed. Send to: firstname.lastname@example.org