15 Definitions
AFGO - Additional Fresh Gas Outlet
AGS system - Anesthetic Gas Scavenging
system
ATPD - Ambient Temperature and Pressure,
Dry (no humidity)
b/min—Breaths per minute
Breath cycle time—Total cycle time per
mandatory breath (inspiratory + pause +
expiratory). Set in seconds.
BTPS - Body Temperature and Pressure
Saturated: 37° C, ambient pressure and 100
% relative humidity (saturated). Defined
standard condition for gas flows in the
breathing circuit.
Cdyn—Dynamic characteristics
CPAP—Continuous Positive Airway Pressure
etCO
2
—End tidal carbon dioxide
concentration
FGF - Fresh Gas Flow
HME—Heat and moisture exchanger
I:E—Inspiration to Expiration ratio (only during
controlled ventilation)
Inspiratory cycle-off—Fraction of maximum
flow at which inspiration should switch to
expiration (%)
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 during inspiration (%)
MAC - Minimum Alveolar Concentration is an
index of the anesthetic effect and potency of
an inhalation agent in relation to alveolar
concentration and is the concentration
required for lack of reflex response to skin
incision in 50% of patients.
ME equipment - Medical Electrical equipment
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/APRV)
MVi—inspiratory Minute Volume
O
2
—Oxygen concentration in vol.%
Option—Optional, add-on functionality or
accessory
P—Pressure
Pause time—Time for no flow or pressure
delivery (%)
PBW - Predicted Body Weight
PC—Pressure Control
PEEP—Positive end expiratory pressure
PEEPtot— Set PEEP + Intrinsic PEEP
Phigh—High pressure level
Pmean—Mean airway pressure
FLOW-i 4.2, User's Manual
299
| Definitions |
15 |
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