MEF50Maximal Expiratory Flow at 50% (respiratory function)
MEF50Maximal Expiratory Flow at 50% of Vital Flow Capacity
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Measures included forced expiratory volume in one second (FEVi), peak expiratory flow (PEF), maximal mid expiratory flow (MMEF), maximal expiratory flow at 75%, 50% and 25% of FVC (MEF75, MEF50 and MEF25 respectively), specific airway conductance (sGAW).
A: Spirometry: Rest spirometry; VT, ERV, IC, VCin, VCex Forced spirometry, FVC, VC max, FEV1, MEF 25, MEF50, MEF75, PEF, FEV1 % max, maximum voluntary ventilation pre og post comparison/provocation test, full screen display of curves and with animation program.