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Case Reports
Journal Article
Atypical expiratory flow volume curve in an asthmatic patient with vocal cord dysfunction.
Annals of Allergy, Asthma & Immunology 2001 April
BACKGROUND: Vocal cord dysfunction can coexist with or masquerade as asthma. Vocal cord dysfunction, when coexistent with asthma, contributes substantially to the refractory nature of the respiratory problem.
OBJECTIVE: To report a case of an asthmatic patient with vocal cord dysfunction and a previously unreported unique expiratory flow volume curve.
RESULTS: A 16-year-old female, known to have asthma, developed increased frequency of her asthma exacerbations. Spirometry, during symptoms, showed an extrathoracic airway obstruction with a reproducible unique abrupt drop and rise in the expiratory flow volume loop. Laryngoscopy showed adduction of the vocal cords during inspiration and expiration.
CONCLUSIONS: We report a unique expiratory flow volume curve in an asthmatic with vocal cord dysfunction that resolved with panting maneuvers. Speech and psychological counseling helped prevent future attacks.
OBJECTIVE: To report a case of an asthmatic patient with vocal cord dysfunction and a previously unreported unique expiratory flow volume curve.
RESULTS: A 16-year-old female, known to have asthma, developed increased frequency of her asthma exacerbations. Spirometry, during symptoms, showed an extrathoracic airway obstruction with a reproducible unique abrupt drop and rise in the expiratory flow volume loop. Laryngoscopy showed adduction of the vocal cords during inspiration and expiration.
CONCLUSIONS: We report a unique expiratory flow volume curve in an asthmatic with vocal cord dysfunction that resolved with panting maneuvers. Speech and psychological counseling helped prevent future attacks.
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