Basics of Lung Sounds

Crackles - Fine (Rales)

maneuver image
Maneuver:Seated
Position:Chest wall
Chestpiece:False
Skin and Ribs


Blended View


Lungs
In this example, a patient has fine crackles. Such sounds are sometimes associated with congestive heart failure. During early to mid stages of CHF, fine crackles may be heard over the patient's posterior lung bases. Use the slider to reveal the area of the lungs where these crackles originate.