GETINGE GROUP Maquet SERVO-s VENTILATOR SYSTEM V7.0 User Manual page 163

12 DEFINITIONS
b/min—Breaths per minute
Bias flow—The continuous flow during the
expiratory phase
Breath cycle time—Total cycle time per
mandatory breath in SIMV (inspiratory + pause
+ expiratory). Set in seconds.
BTPS - Body Temperature and Pressure
Saturated. All measured, preset and indicated
flows and volumes at +37°C, local
atmospheric pressure and relative humidity
100 % (saturated).
Cdyn—Dynamic characteristics
CMV—Controlled Mechanical Ventilation
CPAP—Continuous Positive Airway Pressure
Cstatic—Static compliance, respiratory
system
E—Elastance
Expiratory hold—Manual closure of
inspiration and expiration valves after
expiration (max. 30 seconds). Measures Total
PEEP.
Flow trigger level—The flow that the patient
must inhale to trigger the ventilator to deliver
a breath (fraction of the bias flow).
HME—Heat and moisture exchanger
I:E—Inspiration to Expiration ratio (only during
controlled ventilation)
Inspiratory hold—Manual closure of
inspiration and expiration valves after
inspiration (max. 30 seconds). Measures
plateau pressure.
Inspiratory cycle-off—Fraction of maximum
flow at which inspiration should switch to
expiration (%)
SERVO-s VENTILATOR SYSTEM V7.0, User's Manual
Inspiratory rise time—Time to full inspiratory
flow or pressure at the start of each breath,
as a percentage or in seconds of the breath
cycle time (% or s)
Leakage - leakage in relation to inspiratory
flow (%)
Minute Volume—Volume per minute or target
volume (l)
MVe—expiratory Minute Volume
MVe sp—Spontaneous expiratory minute
volume
MVe sp / MVe—The ratio of spontaneous
expired minute volume to total expired minute
volume (only applicable in Bi-Vent)
MVi—inspiratory Minute Volume
O —Oxygen concentration in vol.%
2
O breaths—100% oxygen for one minute.
2
Option—Optional, add-on functionality or
accessory
NIV—Non Invasive Ventilation
P—Pressure
P0.1—Indicator for respiratory drive
Pause time—Time for no flow or pressure
delivery (%)
PC—Pressure Control
PEEP—Positive end expiratory pressure
(cmH O)
2
PEEPtot— Set PEEP + Intrinsic PEEP
Paw—Airway pressure
Ppeak—Maximum inspiratory pressure
Phigh—High pressure level
Pmean—Mean airway pressure
Pplat—Pressure during end-inspiratory pause
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