Coarse Crackles (Rales)
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In this example, a patient has chronic bronchitis. Course crackles are heard over most of the anterior and posterior chest walls.
Use the slider to reveal a depiction of the lungs where these course crackles originate.
Authored by Diane Wrigley, PA. Medically reviewed by Dr. Barbara Erickson, PhD, RN, CCRN.