释义 |
DictionarySeepeak flow meterEncyclopediaSeeflowpeak expiratory flow
peak ex·pi·ra·to·ry flowthe maximum flow at the outset of forced expiration, which is reduced in proportion to the severity of airway obstruction, as in asthma.peak ex·pi·ra·to·ry flow (PEF) (pēk ek-spīră-tōr-ē flō) Maximum flow at the outset of forced expiration, which is reduced in proportion to the severity of airway obstruction, as in asthma. peak ex·pi·ra·to·ry flow (pēk ek-spīră-tōr-ē flō) Maximum flow at outset of forced expiration, which is reduced in proportion to severity of airway obstruction, as in asthma. See PEF See PEF |