expiratory dyspnea

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ex·pi·ra·to·ry dysp·ne·a

difficulty with the expiratory phase of breathing, often due to obstruction in the larynx or large bronchi, such as are caused by a foreign body.

expiratory dyspnea

Dyspnea associated with obstructive lung diseases such as asthma or chronic bronchitis. Wheezing is often present.
See also: dyspnea


labored or difficult breathing; a sign of a variety of disorders and is primarily an indication of inadequate ventilation, or of insufficient amounts of oxygen in the circulating blood.
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Severe respiratory distress in a cow with atypicalpneumonia. By permission from Blowey RW, WeaverAD, Diseases and Disorders of Cattle, Mosby, 1997

expiratory dyspnea
the dyspnea is primary during the expiratory phase of respiration. Usually associated with lower airway obstruction.
inspiratory dyspnea
the dyspnea is primarily during the inspiratory phase of respiration. Usually associated with upper airway obstructions and sometimes disorders of the pleura.