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Auscultation Repetition Training: 629.

Crackles - High Pitched (Rales)

For best results from repetition training, listen for 2-3 minutes.

auscultation sound from lesson
waveform


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
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