expiratory resistance


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ex·pi·ra·to·ry re·sis·tance

resistance to flow of gas out of the lungs or the total resistance to flow of gas during the expiratory phase of the respiratory cycle.
Farlex Partner Medical Dictionary © Farlex 2012

expiratory resistance

1. The impedence to airflow from the trachea, bronchi, mouth or nose during exhalation.
2. The use of a restricted orifice, or flow resistor, during positive-pressure ventilation to retard the flow of exhaled gases.
3. An objective measure of bronchospasm.
See also: resistance
Medical Dictionary, © 2009 Farlex and Partners
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References in periodicals archive ?
Compared with controls, lung inspiratory and expiratory resistances were significantly greater (p < 0.01, p < 0.05) in PM2.5 mice.
Bufei Huoxue Capsule Attenuates PM2.5-Induced Pulmonary Inflammation in Mice
The expiratory flow rate recorded immediately prior to each occlusion was used in the calculation of expiratory resistance (see below).
Effects of the menstrual cycle on expiratory resistance during whole body exercise in females
Although the Hudson and Mayo SIRBs did not provide high oxygen concentrations during spontaneous ventilation, the entrainment of air from the expiratory port appears to be associated with reduced inspiratory and expiratory resistance. The mean inspired and expired resistance calculated during this assessment is described in Table 1.
Inadequate preoxygenation during spontaneous ventilation with single patient use self-inflating resuscitation bags
Frankly, we wondered about Vital Signs' claims that the Limb-O circuit's Inspiratory and Expiratory Resistances were not increased.
Limb-O[TM] breathing circuit (Vital Signs, Inc.)

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