Crackles - Coarse (Rales) - Repetition Drill

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Listening Tips
Course crackles are discontinuous, brief, popping sounds. Similar to the sound of a hook and loop fastener being pulled apart. They have also been described as a bubbling sound. More common during inspiration.
maneuver
Seated
torso
Diaphragm

Listen for 2-3 minutes

waveform image for heart sound
repetition training button
Case #





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