Laryngoscopy is the gold standard to diagnose exercise-induced laryngeal obstruction, though inspiratory flow-volume loop may provide a clue. We combined tidal flow-volume loop analysis laryngoscopy during exercise and found that cigar-shaped - flattened - inspiratory loops are associated with obstruction. Pursed-lip breathing slows inhalation thereby reducing vocal fold adduction.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5889239 | PMC |
| http://dx.doi.org/10.1002/ccr3.1375 | DOI Listing |
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