Crackles - Low Pitched (Rales)
Lowed pitched crackles are discontinuous sounds that are similar to the sounds of hook and loop fasteners being pulled apart.
If you wish to review a complete lesson concerning Crackles - Low Pitched (Rales), we provide complete
lessons. The following lesson modules(s) 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.