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Lung and Oxygen

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Maximum expiratory flow during a forced expiration from the point of maximum inspiration (TLC) expressed in L.min-1 or L.s-1 . Used to give a measure of airway calibre (diameter) and airflow. Less specific than FEV1 due to dependency on patient effort and cooperation.

Author: C.A McElhatton


Peak Expiratory Flow (PEF)

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