Foodborne disease outbreaks caused by Bacillus cereus, Clostridium perfringens, and Staphylococcus aureus--United States, 1998-2008. Bennett SD(1), Walsh KA, Gould LH. Author information: (1)Centers for Disease Control and Prevention, 1600 Clifton Rd, MS C-09, Atlanta, GA 30333, USA. iyk3@cdc.gov.
1 Rales: Small clicking, bubbling, or rattling sounds in the lungs. 2  They are heard when a person breathes in (inhales). 3  They are believed to occur when air opens closed air spaces. 4  Rales can be further described as moist, dry, fine, and coarse. 5  Rhonchi: Sounds that resemble snoring.
Abnormal Breath Sounds. There are several abnormal sounds that can be heard over the lung fields. Click on the stethoscope to hear the abnormal lung sound. Click on the name of the abnormal lung sound to learn more about the sound. Wheezes (Sibilant)-a high-pitched, musical sound similar to a squeak. It is heard most commonly during expiration, but also can be heard during inspiration. It is heard in narrowed airway diseases such as asthma and chronic emphysema.