CareFusion AVEA - Page 140

126 Chapter 4: Monitors, Displays and Maneuvers Operator's manual
L2786 Rev. M
Display Value
cmH
2
O
Pmean
Mean inspiratory pressure
cmH
2
O
Pplat
Plateau pressure
P
tp
Plat The ventilator is capable of calculating and displaying the Transpulmonary pressure during an inspiratory hold, which is the
difference between the airway plateau pressure (P
plat aw
) and the corresponding esophageal pressure.
cmH
2
O
PEEP
Positive end expiratory pressure
Pbaro
Barometric pressure
psig
Air Inlet
Air inlet pressure
psig
O
2
Inlet
Oxygen inlet pressure
%
F
IO
2
Percentage of oxygen
ml/cmH
2
O
Cdyn
Dynamic compliance
ml/cmH
2
O
Cdyn/Kg
Dynamic compliance adjusted for patient weight
ml/cmH
2
O
Cstat
Respiratory system compliance (Static compliance)
ml/cmH
2
O
Cstat/Kg
Respiratory system compliance adjusted for patient weight (Static compliance
C20/C Ratio of the dynamic compliance during the last 20% of inspiration (C20) to the total dynamic compliance (C).
F/Vt
Rapid Shallow Breathing Index (f / V
t
) which is the spontaneous breath rate per tidal volume
cmH
2
O/LPS
Rrs
Respiratory system resistance
L/min
PIFR
Peak Inspiratory flow rate
L/min
PEFR
Peak Expiratory flow rate
R
RS
Respiratory System Resistance (R
RS
), is the total resistance during the inspiratory phase of a breath
R
PEAK
Peak Expiratory Resistance (R
PEAK
) is defined as the resistance at the time of the Peak Expiratory Flow (PEFR).
R
IMP
Imposed Resistance (R
IMP
), is the airway resistance between the wye of the patient circuit and the tracheal sensor
R
LUNG
Lung Resistance (R
LUNG
), is the ratio of the tracheal pressure differential to the inspiratory flow 12 ms prior to the end of inspiration
PIFR The actual peak inspiratory flow rate for the inspiratory phase of a breath.
PEFR The actual peak expiratory flow rate for the expiratory phase of a breath.
dP
AW
Delta Airway Pressure (dP
AW
), is the difference between peak airway pressure and baseline airway pressure.
dP
ES
Delta Esophageal Pressure (dP
ES
), is the difference between peak esophageal pressure and baseline esophageal pressure
WOB
P
Patient Work of Breathing (WOB
P
), normalized to the total inspiratory tidal volume
WOB
I
Imposed Work of Breathing (WOB
I
), is defined as the work performed by the patient to breathe spontaneously through the
breathing apparatus, i.e. the E.T. tube, the breathing circuit, and the demand flow system.