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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


Learning Resources

If you need to learn heart sound or refresh your skills, you can use our training modules with our audio, video and text lessons. Many of our auscultation modules at no charge. We suggest starting with normal sounds, then first, second and third/fourth heart sounds, then adding the several abnormal murmurs.

heart sounds auscultation image

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Course and quiz certificates are available for users enrolled in Auscultation-Essentials or Advanced. Achievement certificates can be printed and are saved to the user's dashboard.

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