Crackles - Fine (Rales)

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Heart and Lung Sounds Reference Guide

phonocardiogram


Listening Tips
Rales are brief, discontinuous, popping sounds that are high-pitched. Similar to wood burning in a fireplace. More commonly heard during inspiration.
maneuver
Seated
torso
Diaphragm



Relevant Courses

If you wish to review training and reference materials regarding Crackles - Fine (Rales), we provide complete lessons. The lesson modules(s) listed below may be useful. Each lesson includes text that explains the auscultatory sound and its clinical significance. The lesson also includes an audio track for playback. A waveform provides a great way to visualize the sounds. Finally, we also include an animation video. For heart sounds, the video illustrates heart muscle and valve movements along with blood flow. For lung sounds, the primary source of the sounds can be seen. Each module also includes a quiz. A passing quiz score is require for earning a course certificate of achievement.

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