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.
Crackles, crepitations, or rales are the clicking, rattling, or crackling noises that may be made by one or both lungs of a human with a respiratory disease during inhalation. They are often heard only with a stethoscope. Bilateral crackles refers to the presence of crackles in both lungs. Basal or basilar crackles are crackles apparently originating in or near the base of the lung. Bibasal or bibasilar crackles refer to crackles at the bases of both the left and right lungs. Bilateral basal cra