Vocal cord dysfunction describes an inappropriate transient reversible closure of the vocal cords. This occurs due to abnormal movement of the vocal cords during quiet breathing. It's pretty confusing because numerous other terms have been used to describe this paradoxical vocal fold movement disorder. Also: laryngeal dyskinesia, vocal stridor, irritable larynx syndrome, laryngeal wheezing - all of these terms mean the same thing: vocal cords suddenly closing when they should be opening.
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