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General
Stridor is a high-pitched, whistling sound that is heard when something interrupts the airflow. When the voice box, the larynx, or trachea are blocked, stridor may be heard. It is more common in children and could be either inspiratory, expiratory or biphasic stridor. Causes for stridor in adults include an object blocking the airway, swelling of the throat, airway trauma, surgeries, being intubated, inhaling smoke, vocal cord paralysis, bronchitis, tonsillitis, epiglottitis, tracheal stenosis, tumors, and abscesses. In children, laryngomalacia is usually the cause of stridor.
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Signs & symptoms
Stridor is a high-pitched, whistling sound that is heard when something interrupts the airflow.
Diagnosis
Diagnosis of stridor is based upon physical examination, measuring oxygen levels with a pulse oximetry, blood tests, bronchoscopy and sputum culture, laryngoscopy, and imaging tests such as X RAY and chest CT scan.
Treatment
Treatment may include oral or injected medication to decrease swelling in the airway.
Note
☝ We provide information on prescription and over-the-counter medicines, diagnosis, procedures and lab tests. This material is provided for educational purposes only and is not medical advice, diagnosis or treatment.
National Institutes of Health ∙ World Health Organization ∙ MedlinePluse ∙ Centers for Disease Control and Prevention
☝ All information has been reviewed by certified physicians from Alike
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