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Abbreviation
Significance
AIR
Compressed air for medical use
AMV
Minute ventilation
APL
Adjustable pressure limitation
AW-Temp
Inspiratory breathing gas temperature
BAG
Connection for breathing bag
CAL
Calibration has been performed
CSA
Canadian Standard Association
C
System compliance
syst
C
Patient compliance
pat
DGHM
German Society for Hygiene and
Microbiology
et CO
End-expiratory CO
2
Fet Des.
End-expiratory desflurane concentration
Fet Enf.
End-expiratory enflurane concentration
Fet Hal.
End-expiratory halothane concentration
Fet Iso.
End-expiratory isoflurane concentration
Fet N
O
End-expiratory N
2
Fet Sev.
End-expiratory sevoflurane concentration
Fi Des.
Inspiratory desflurane concentration
Fi Enf.
Inspiratory enflurane concentration
Fi Hal.
Inspiratory halothane concentration
Fi Iso.
Inspiratory isoflurane concentration
Fi Sev.
Inspiratory sevoflurane concentration
Fi N
O
Inspiratory N
2
Fi O
Inspiratory O
2
f
IPPV frequency
IPPV
f
SIMV frequency
IMV
Flow
Expiration flow
Freq
Respiration rate
Hb
Haemoglobin
HbCO
Carbon monoxide haemoglobin
HbO
Oxyhaemoglobin
2
HLM
Heart-lung mode
in CO
Inspiratory CO
2
INOP
Malfunctioning
IPPV
Automatic ventilation mode:
intermittent positive pressure ventilation
KG
Body weight
KZE
Piston-cylinder unit (PCU)
concentration
2
O concentration
2
O concentration
2
concentration
2
concentration
2
Abbreviation
Significance
LED
Light-emitting diode
LED display
7-segment display with light-emitting
diodes
Man/Spont
Manual ventilation or spontaneous
breathing
Mean
Mean pressure
NTC
Resistance sensor with negative
temperature coefficient
Off
Switched off, deactivated
ON
Switched on, activated
S-ORC
Oxygen Ratio Control
P
Airway pressure
aw
PC
Personal computer (IBM-compatible)
PCV
Pressure controlled ventilation
P
Actual measured peak pressure
eak
P
Plateau pressure
lat
Pleth.
Plethysmogram
P
Limit pressure
max
P
Mean airway pressure
mean
Power
Electricity supply
PEEP
Positive end-expiratory pressure
P
PCV working pressure
PCV
SIMV
Synchronized intermittent mandatory
ventilation
SpO
Functional O
2
T
:T
Ratio of inspiration time to expiration time
I
E
T
:T
Ratio of inspiratory pause time to
IP
I
inspiration time
UMDNS Code Universal Medical Device Nomenclature
System
*
Inspiratory and expiratory flow
*
Expiratory minute ventilation
E
*
Fresh gas flow
FG
V
Maximum inspiration flow
max
V
Tidal volume, stroke volume
T
V
System volume
C
ZV
Piped medical gas supply (for
compressed air, vacuum, N
Description
Abbreviations and symbols
saturation
2
O and O
)
2
2
189
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