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n. an abnormal high-pitched (sibilant) or low-pitched sound heard – either by the unaided human ear or through the stethoscope – mainly during expiration. Wheezes occur as a result of narrowing of the airways, such as results from bronchospasm or increased secretion and retention of sputum; they are commonly heard in patients with asthma or chronic bronchitis.

Subjects: Medicine and Health.

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