Wheezing
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Basics
Description
Wheezing is a continuous sound that is caused by turbulent airflow through an obstructed airway.
- Often described as musical in nature and with a variable pitch
- Wheezing is an expiratory sound; stridor is an inspiratory sound.
- Wheezing occurs from obstruction in the intrathoracic airway, whereas stridor is caused by an obstruction in the extrathoracic airway.
- If heard in both inspiration and expiration, there may be a fixed obstruction or separate lesions in both the intrathoracic and extrathoracic airways.
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Basics
Description
Wheezing is a continuous sound that is caused by turbulent airflow through an obstructed airway.
- Often described as musical in nature and with a variable pitch
- Wheezing is an expiratory sound; stridor is an inspiratory sound.
- Wheezing occurs from obstruction in the intrathoracic airway, whereas stridor is caused by an obstruction in the extrathoracic airway.
- If heard in both inspiration and expiration, there may be a fixed obstruction or separate lesions in both the intrathoracic and extrathoracic airways.
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