Measure the average flow over specified portions of the spirometry curve. The spirometry maneuver requires the subject to inhale to total lung capacity and then exhale forcefully to residual volume.
Integrate forced expiratory flow (FEF) to obtain forced expiratory volume (FEV). AcqKnowledge generates the spirometry curve via an X/Y plot of expired volume versus expired flow. The FEF values can be measured directly on the spirometry curve at the standard 25%, 50% and 75% volume points.
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Wired | Forced Expiratory Flow and Volume
MP160 plus AcqKnowledge with transducer amp, pneumotach transducer and airflow accessories
MRI | Forced Expiratory Flow and Volume
MP160 System with CO2 and O2 gas analyzers and subject interface