Skip to main content

Advertisement

Table 1 Time parameters defining the phases of the breathing cycles: total duration T tot , T I T tot ratio calculated from equation ( 16 ), and the associated inspiratory and expiratory times

From: Realistic human muscle pressure for driving a mechanical lung

f v (cpm) 10 11 12 13 14 15 16
Ttot (s) 6.0 5.455 5.0 4.615 4.286 4.0 3.75
T I T tot 0.250 0.263 0.275 0.288 0.300 0.313 0.325
TI (s) 1.5 1.432 1.375 1.327 1.286 1.25 1.219
TE (s) 4.5 4.023 3.625 3.288 3.0 2.75 2.531
f v (cpm) 17 18 19 20 21 22 23
Ttot (s) 3.529 3.333 3.158 3.0 2.857 2.727 2.609
T I T tot 0.338 0.350 0.363 0.375 0.388 0.400 0.413
TI (s) 1.191 1.167 1.145 1.125 1.107 1.091 1.076
TE (s) 2.338 2.166 2.013 1.875 1.75 1.636 1.533
f v (cpm) 24 25 26 27 28 29 30
Ttot (s) 2.5 2.4 2.308 2.222 2.143 2.069 2.0
T I T tot 0.425 0.438 0.450 0.463 0.475 0.488 0.500
TI (s) 1.063 1.05 1.039 1.028 1.018 1.009 1.0
TE (s) 1.437 1.35 1.269 1.194 1.125 1.060 1.0