4-72  BeneLink Module Operator’s Manual 
Monitor output: parameters from MAQUET SERVO-U/SERVO-N Ventilator 
Label  Description  Trend, record, print 
RSBI  Rapid shallow breathing index  Yes 
WOB  Work of breathing  Yes 
Exp. Flow  Expiratory flow  No 
Ri  Inspiratory resistance  Yes 
Re  Expiratory resistance  Yes 
PO2  oxygen supply pressure  No 
Pair  air supply pressure  No 
P0.1  100 ms occlusion pressure  No 
PEEPtot  Total PEEP  No 
EtCO2  End-tidal carbon dioxide  Yes 
VCO2  CO
2
 production  No 
VTCO2  CO
2
 tidal elimination  No 
EtCO2%  End-tidal carbon dioxide  Yes 
Setting Parameters 
VT  Tidal volume  No 
VTapnea  Apnea tidal volume  No 
MV  Minute volume  No 
fapnea  Breath rate for apnea ventilation  No 
f  Breath rate  No 
fSIMV  Frequency of SIMV  No 
I:E  Inspiratory time: Expiratory time ratio  No 
F-Trigger  Inspiratory trigger level (flow trigger)  No 
P-Trigger  Inspiratory trigger level (pressure trigger)  No 
Plimit  Pressure limit level  No 
Tinsp  Time of inspiration  No 
Tpause  Apnea Time  No 
Trise  Rise time  No 
Rise Time%  rise time%  No