Back

Reference Guide

Crackles - Coarse (Rales)

maneuver
Seated
torso and chestpiece
Diaphragm

Listening Tips

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.
Waveform
Practical Clinical Skills Logo Content is for medical professionals.
All information is for education only.
Copyright Medical Training and Simulation LLC, 2016