Repetition Training: Crackles - high-pitched (Rales)
Crackles - high-pitched (Rales)
Research studies have demonstrated that listening to a heart sound for 2-3 minutes can help students master auscultation.
For textual descriptions, waveforms and heart animations, please use our courses on this website.
![auscultation sound from lesson](https://mededu.azureedge.net/public/images/auscPosition-Post3L.png)
![waveform](https://mededu.azureedge.net/public/sounds/waveforms203/146.png)
Listening Tips
S1:Systole:
S2:
Diastole:
Features:Brief, popping sounds that are high-pitched. Fine crackles are similar to wood burning in a fireplace. Crackles are more commonly heard during inspiration