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Intro To Lung Sounds

Wheeze - Expiratory Sounds

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Wheezes are adventitious lung sounds that are continuous with a musical quality. Wheezes can be high or low pitched. High pitched wheezes may have an auscultation sound similar to squeaking. Lower pitched wheezes have a snoring or moaning quality.

The proportion of the respiratory cycle occupied by the wheeze roughly corresponds to the degree of airway obstruction.

Wheezes are caused by narrowing of the airways.

Wheeze - Expiratory
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The recommended auscultation position for the stethoscope is the Chest wall position. For this sound, use stethoscope's Diaphragm.


maneuver
The recommended patient position is Sitting

Waveform

waveform
This waveform plots sound amplitude on the vertical axis against time on the horizontal axis.
Skin and Ribs


Blended View


Lungs


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torso
lungs view
Lessons
1Vesicular - Normal
2Wheeze - Expiratory checkmark
3Pleural Rubs
4Bronchophony - Healthy
5Stridor
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Practice Drill



Listening Tips
A synopsis of important sound features and timing for this abnormality.
Loud, musical and continuous sounds occurring in expiration. Heard over anterior, posterior and lateral chest walls.
CaseID143
CourseID202
CourseCaseOrder8
ID194



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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

  • mededu company logo
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  • email share