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Auscultation Training by Repetition

Crackles - Fine (Rales) - C421, #72

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waveform of heart or lung sound
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Listen for 2-3 minutes
maneuver
Seated
torso
Diaphragm

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Rales are brief, discontinuous, popping sounds that are high-pitched. Similar to wood burning in a fireplace. More commonly heard during inspiration.
Repetition Training - Basic Lung Sounds

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Lesson Text

Fine crackles are brief, discontinuous, popping lung sounds that are high-pitched. Fine crackles are also similar to the sound of wood burning in a fireplace, or hook and loop fasteners being pulled apart or cellophane being crumpled.

Crackles, previously termed rales, can be heard in both phases of respiration. Early inspiratory and expiratory crackles are the hallmark of chronic bronchitis. Late inspiratory crackles may mean pneumonia, CHF, or atelectasis.

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soundID50
maneuverSeated
TitleCrackles - Fine (Rales)
PositionAnterior-3L
realSoundID6102
caseID72
S1 
Systole 
S2 
Diastole 
featuresRales are brief, discontinuous, popping sounds that are high-pitched. Similar to wood burning in a fireplace. More commonly heard during inspiration
lung soundsTrue
chestpieceDiaphragm
c421
CaseID72
CourseID201
CourseCaseOrder2
ID59



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This website is only for medical professional education. Contact a healthcare provider for medical care. Copyright 2011-2020 © MedEdu LLC. All Rights Reserved. About | Privacy Policy | Email

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