Repetition Training Basic Lung Sounds

Crackles - Coarse (Rales) - Auscultation Lesson

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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The patient's position is seated.

Crackles - Coarse (Rales) - Auscultation Lesson

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