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forced expiratory volume
(redirected from FEV1)

   Also found in: Medical, Acronyms 0.01 sec.
forced expiratory volume [¦fȯrst ik¦spī·rə‚tȯr·ē ′väl·yəm]
(medicine)
During the performance of a forced vital capacity measurement, the volume of exhaled gas over a specific time interval.


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4 micrograms per liter--had about 4 percent lower FEV1 values than did the tenth of participants with the lowest blood concentrations--averaging 0.
Indoor allergens and longitudinal FEV1 decline in older adults: the Normative Aging Study.
Since our study concentrated on silica exposure, it included one X-ray (a posterior/anterior chest view); and a spirometry study consisting of FVC (forced vital capacity), FEV1 (forced expiratory volume) and the FEV1/FVC ratio.
 
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