Comparison between wheeze and stridor

~~Table of Contents(toc)~~

Table of Differences

Feature	Wheezing	Stridor
Definition	High-pitched whistling sound due to airway narrowing	Harsh, high-pitched sound due to upper airway obstruction
Location	Lower airways (bronchi, bronchioles)	Upper airways (larynx, trachea)
Phase of Respiration	Mostly during expiration (can be inspiratory in severe cases)	Mostly during inspiration (can be biphasic)
Causes	Asthma, COPD, bronchitis, anaphylaxis, heart failure	Croup, epiglottitis, foreign body aspiration, tracheal stenosis
Sound Quality	Musical, continuous, polyphonic or monophonic	Harsh, crowing, single-pitched
Auscultation	Heard over the chest, especially with a stethoscope	Heard loudest over the neck and without a stethoscope
Management	Bronchodilators, corticosteroids, treating underlying cause	Airway support, racemic epinephrine, urgent intervention if severe

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