Fluid from the inflammatory response causes crackles and rhonchi. Patient may cough up debris from damaged sloughing tissue.

Please be sure to download the QuickTime plugin for Firefox browser before listening to these sounds. At this time, Google Chrome has ended support for NPAPI plugins, including QuickTime.

To listen to crackles and rhonchi go to:

1. The Rale Repository: Wheezing at http://www.rale.ca/Wheezing_b.htm
2. The Rale Repository: Crackles at http://www.rale.ca/Crackles_a.htm
3. RnCeus' Abnormal Respiratory Sounds page at http://www.rnceus.com/resp/respabn.html
4. Adventitious Breath Sounds by AUSMED