Sign in or Join to use this module.

Auscultation Repetition Training: 148

Crackles - Late Inspiratory (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
waveform


Listening Tips

S1:
Systole:
S2:
Diastole:
Features:Crackles begin in late inspiration and increase. High-pitched, variable loudness. Best heard over posterior bases of the lungs. Do not usually clear with coughing


Select Another Sound



An error has occurred. This application may no longer respond until reloaded. Reload 🗙