Maximal Midexpiratory Flow Rate


25-75 Percent, FEF

25-75 Percents, FEF

FEF 25 75 Percent

FEF 25-75 Percent

FEF 25-75 Percents

Flow Rate, Maximal Midexpiratory

Forced Expiratory Flow 025 075 Percent

Forced Expiratory Flow 025-075 Percent


Percent, FEF 25-75

Percents, FEF 25-75

Measurement of rate of airflow over the middle half of a FORCED VITAL CAPACITY determination (from the 25 percent level to the 75 percent level). Common abbreviations are MMFR and FEF 25%-75%.