Fine Crackles Lesson

patient thorax when auscultating by stethoscope

patient position during auscultation
The patient was seated during auscultation.


Fine crackles are brief, discontinuous, popping, high-pitched breath sounds. These sounds are also similar to the sound of Velcro fasteners being pulled apart or cellophane being crumpled. Crackles can appear throughout the respiratory cycle.


Authors and Sources

Authors and Reviewers


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