CareFusion AVEA Operating Instructions Manual page 141

AVEA ventilator systems
Display
WOB
Ventilator Work of Breathing (WOB
V
tidal volume to the patient during inspiration, and normalized to the total inspiratory tidal volume
AutoPEEP AutoPEEP, is the airway pressure at the end of an expiratory hold maneuver.
dAutoPEEP
Delta AutoPEEP (dAutoPEEP), is the difference between airway pressure at the end of an expiratory hold maneuver and the airway
pressure at the start of the next scheduled breath after the expiratory hold maneuver
P PEEP Transpulmonary pressure, AutoPEEP (P
tp
at the end of the expiratory hold during an AutoPEEP maneuver.
AutoPEEP
AutoPEEP
ES
measured at the start of a patient-initiated breath and the sensitivity of the ventilator's demand system
C
Chest wall Compliance (C
CW
C
Lung Compliance (C
LUNG
P Plat Transpulmonary pressure during an inspiratory hold
tp
MIP Maximum Inspiratory Pressure is the maximum negative airway pressure that is achieved by the patient, during an expiratory hold
maneuver
P Respiratory Drive (P
100
nCPAP Mean airway pressure while in nCPAP mode
CPAP Flow Mean inspiratory flow while in nCPAP mode
EtCO
Peak expired CO
2
a breath-by-breath or averaged measurement.
V
The amount of CO
CO
2
time.
VtCO
The amount of CO
2
Vdana The volume of dead space in the patient's airway. Anatomical dead space is measured for each breath. This value is averaged
over the set
Vdana/Vt
Vd/Vt ana is averaged over the set
L2786 Rev. M
Chapter 4: Monitors, Displays and Maneuvers
), is the summation of airway pressure minus the baseline airway pressure times the change in
V
tp
is the difference between esophageal pressure measured at the end of exhalation minus the esophageal pressure
ES
), is the ratio of the tidal volume (exhaled) to the Delta Esophageal Pressure (dP
CW
), is the ratio of the tidal volume (exhaled) to the delta transpulmonary pressure
LUNG
), is the negative pressure that occurs 100 ms after an inspiratory effort has been detected
100
as measured and reported by the CO
2
eliminated every minute. This is calculated over each minute and then averaged over the set
2
exhaled per breath. It is measured for each breath and then averaged over the set
2
V
averaging time.
CO
2
V
averaging time.
CO
2
Value
PEEP) is the difference between the corresponding airway and the esophageal pressures
sensor in the aiway. EtCO
2
).
ES
is measured for each breath. Display is either
2
V
V
averaging time.
CO
2
127
averaging
CO
2