Basics of Lung Sounds

Crackles - Coarse (Rales) - Auscultation Lesson

Coarse crackles are a loud and distinctive lung sound, often described as popping or bubbling. These intermittent sounds have a lower pitch than their fine counterparts and tend to linger longer in duration - try simulating the noise by rolling pieces 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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