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Crackles - Coarse (Rales)

Lung Sounds Lesson

maneuver
Seated
torso and chestpiece
Diaphragm



Coarse crackles are discontinuous, brief, popping lung sounds. Compared to fine crackles they are louder, lower in pitch and last longer. They have also been described as a bubbling sound. You can simulate this sound by rolling strands of hair between your fingers near your ear.
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