Crackles - Early Inspiratory (Rales)


Listening Tips
Occur early in inspiration. Can be lower pitched than late inspiratory crackles. Coughing may decrease or clear these crackles.

Relevant Courses

If you wish to review a complete lesson concerning Crackles - Early Inspiratory (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.