Forced inspiratory flow at 25% of inhaled volume (FIF25)
Forced inspiratory flow at 50% of inhaled volume (FIF50)
Forced inspiratory flow at 75% of inhaled volume (FIF75)
Forced expiratory flow at 50% of volume as a percentage of FIF50 (FEF50/FIF50)
The time taken between 25% and 75% of the forced expired volume (MET2575)
Forced Expiratory Time (FET)
Tidal Volume (TV)
Expiratory reserve volume (ERV)
Inspiratory reserve volume (IRV)
Inspiratory capacity (IC)
Expiratory Relaxed vital capacity (EVC)
Inspiratory vital capacity (IVC)
Breathing frequency rate (FR)
Inspiratory time (Ti)
Expiratory time (Te)
Ti as a % of total breath time (Ti/Ttot)
Tidal volume as a % of Ti (TV/Ti)
Breath Rate BR
Breathing Time B.T
Volume Tidal VT
Expiratory Time – average time of expiration per Te
breaths in seconds
Inspiratory Time – average time of inspiration per Ti
breath in seconds
Total Tidal Breath Time in Seconds TTOT=Ti + Te
Ratio of Average Expiratory and Inspiratory Breaths Ti/Te
Average Time of Expiration per Breath as a ratio to Ti/TTOT
The Total Tidal Breath Time
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