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Stridor

Stridor is caused by upper airway narrowing or obstruction. It is often heard without a stethoscope. It occurs in 10-20% of extubated patients. Stridor is a loud, high-pitched crowing breath sound heard during inspiration but may also occur throughout the respiratory cycle most notably as a patient worsens. In children, stridor may become louder in the supine position. Causes of stridor are pertussis, croup, epiglottis, aspirations.

Patient Sounds

patient heart or lung sound
Stridor

Half Speed Patient Sounds

patient heart or lung sound
Stridor

Technique

Patient position
The patient's position should be sitting.

Auscultation Tips

Features:A loud, high-pitched wheezing sound heard during inspiration but may also occur throughout the respiratory cycle. Often heard without a stethoscope

Sound Wave

Authors and Sources

Authors and Reviewers


Sources

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Stridor | Test, Sounds and Video | #140
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