Auscultation Training by Repetition

Crackles - High Pitched (Rales)

waveform of heart or lung sound
Listen for 2-3 minutes
maneuver
Sitting
torso
Diaphragm

Listening Tips

Brief, popping sounds that are high-pitched. Fine crackles are similar to wood burning in a fireplace. Crackles are more commonly heard during inspiration.

repetition training button

Lesson Text

If you wish to review a complete lesson concerning this sound, the following lesson modules(s) may be useful. Each lesson includes text that covers an auscultatory sound, a waveform and an animation video.

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