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Forced expiratory flow related to some portion of the FVC curve; modifiers refer to amount of FVC already exhaled: FEF max: The maximum instantaneous flow achieved during a FVC maneuver: FIF: Forced inspiratory flow: (Specific measurement of the forced inspiratory curve is denoted by nomenclature analogous to that for the forced expiratory curve.
Forced expiratory flow related to some portion of the FVC curve; modifiers refer to amount of FVC already exhaled: FEF max: The maximum instantaneous flow achieved during a FVC maneuver: FIF: Forced inspiratory flow: (Specific measurement of the forced inspiratory curve is denoted by nomenclature analogous to that for the forced expiratory curve.
Sniff nasal inspiratory pressure (SNIP) refers to short, sharp voluntary inspiratory maneuver (inhalation) through one or both un-occluded (not closed or obstructed) nostrils. The tests are performed at FRC (functional residual capacity), at the end of tidal expiration. The measurement recorded is the peak pressure.
The measurement of peak expiratory flow was pioneered by Martin Wright, who produced the first meter specifically designed to measure this index of lung function. Since the original design of instrument was introduced in the late 1950s, and the subsequent development of a more portable, lower cost version (the "Mini-Wright" peak flow meter ...
Peak/mean inspiratory and expiratory flow measures the presence of upper airway flow limitations during inspiration and expiration. %RCi is the percent contribution of the rib cage excursions to the tidal volume Vt. The %RCi contribution to Tidal Volume ratio is obtained by dividing the inspired volume in the RC band by the inspired volume in ...
Forced expiratory flow related to some portion of the FVC curve; modifiers refer to amount of FVC already exhaled: FEF max: The maximum instantaneous flow achieved during a FVC maneuver: FIF: Forced inspiratory flow: (Specific measurement of the forced inspiratory curve is denoted by nomenclature analogous to that for the forced expiratory curve.
Preconceived notions that 'white' people have greater pulmonary function are embedded in spirometer measurement interpretation and have only been reinforced through this medical stereotyping. In the United States, spirometers use correction factors of 10-15% for those identified as 'black' and 4-6% for those identified as 'Asian.' [ 6 ]
Forced expiratory flow related to some portion of the FVC curve; modifiers refer to amount of FVC already exhaled: FEF max: The maximum instantaneous flow achieved during a FVC maneuver: FIF: Forced inspiratory flow: (Specific measurement of the forced inspiratory curve is denoted by nomenclature analogous to that for the forced expiratory curve.