Crackles - Coarse (Rales) 201

Listen

patient torso with stethoscope chestpiece
patient position during auscultation
The patient's position should be seated.

Description

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.

Visualize

static waveform for 31




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