4-84  BeneLink Module Operator’s Manual 
4.20 Puritan Bennett PB840/PB980 (SNDF Protocol) 
4.20.1 Output Signals – Parameters 
Monitor output: parameters from Puritan Bennett PB840/PB980 (SNDF Protocol) 
Ventilator 
Label  Description  Trend, record, print 
Monitoring Parameters 
O2%  Oxygen concentration  Yes 
PEEP  Positive end-expiratory pressure  Yes 
Ppeak  Peak pressure  Yes 
Pplat  Plateau pressure  Yes 
Pmean  Mean pressure  Yes 
VTe  Expiratory tidal volume  Yes 
VTi  Inspired tidal volume  Yes 
VTe spn  Spontaneous expiratory tidal volume  Yes 
MVspn  Spontaneous breathed minute volume  Yes 
MVe  Expiratory minute volume  Yes 
ftot  Total respiratory rate  Yes 
fapnea  Breath rate for apnea ventilation  No 
f  Breath rate  No 
I:E  Inspiratory time: Expiratory time ratio  No 
MVLEAK  Leakage minute volume  No 
Leak Comp  Leak compensation  No 
Rstat  Static lung resistance  Yes 
Rdyn  Dynamic lung resistance  Yes 
Cstat  Static compliance  Yes 
Cdyn  Dynamic compliance  Yes 
RSBI  Rapid shallow breathing index  Yes 
WOB  Work of breathing  Yes 
NIF  Negative inspiratory force  No