4-20  BeneLink Module Operator’s Manual 
Monitor output: parameters from Draeger    Evita2 dura/Evita 4/Evita XL Ventilator 
Label  Description  Trend, record, print 
VTe  Expiratory tidal volume  Yes 
MV  Minute volume  Yes 
MVspn  Spontaneous breathed minute volume  Yes 
ftot  Total respiratory rate  Yes 
fspn  Spontaneous breathing frequency  Yes 
FiO2 
Fractional concentration of O
2
 in inspired 
gas 
Yes 
Rdyn  Dynamic lung resistance  Yes 
Cdyn  Dynamic compliance  Yes 
RSBI  Rapid shallow breathing index  Yes 
Pmin  Minimum airway pressure  No 
Vtrap  Trapped Volume  No 
T  Inspiratory breathing gas temperature  No 
NIF  Negative inspiratory force  No 
P0.1  100 ms occlusion pressure  No 
PEEPi  Intrinsic positive end-expiratory pressure  No 
EtCO2  End-tidal carbon dioxide  Yes 
Vds  Dead space  No 
VCO2  CO
2
 production  No 
PR  Pulse rate  Yes 
SpO2 
Arterial oxygen saturation from pulse 
oximetry 
Yes 
EtCO2%  End-tidal carbon dioxide  Yes 
FiO2% 
Fractional concentration of O
2
 in inspired 
gas 
Yes 
Setting Parameters 
O2%  Oxygen concentration  No 
PEEP  Positive end-expiratory pressure  No