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Crackles - Fine (Rales) | Auscultation Cheat Sheet with Sounds & Video | #72

Fine crackles are characteristically heard as sounding like the popping of a wood fire or velcro being pulled apart. Early inspiratory and expiratory crackles frequently accompany chronic bronchitis, while late inspiratory crackles can indicate more serious medical conditions such as pneumonia, congestive heart failure (CHF), or atelectasis.

Patient Sounds

patient heart or lung sound
Crackles - Fine (Rales)

Half Speed Patient Sounds

patient heart or lung sound
Crackles - Fine (Rales)

Technique

Patient position
The patient's position should be seated.

Auscultation Tips

Features:Rales are brief, discontinuous, popping sounds that are high-pitched. Similar to wood burning in a fireplace. More commonly heard during inspiration

Sound Wave

Authors and Sources

Authors and Reviewers


Sources

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Crackles - Fine (Rales) | Auscultation Cheat Sheet with Sounds & Video | #72

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