Maximal Expiratory Flow Rate |
|
| Flow Rate, Maximal Expiratory; MEFR; Forced Expiratory Flow 0.2 1.2; Forced Expiratory Flow 200 1200 | |
| The airflow rate measured during the first liter expired after the first 200 ml have been exhausted during a FORCED VITAL CAPACITY determination. Common abbreviations are MEFR, FEF 200-1200, and FEF 0.2-1.2. | |