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37. Glossary of Abbreviations
Used in this Manual
ASCII (American Standard Code for
Information Interchange) is the most
common format for text files in
computers. Not suitable for non-
English letters but suitable for
numerics.
O2 Oxygen
°C Degrees Celsius
°F Degrees Fahrenheit
≈ Approximately equal to
bar Unit of Barometric Pressure
BPM Breaths Per Minute
C20/C Ratio of the compliance during the
last 20% of the respiratory cycle
compared to whole cycle
cm Centimetre
cmH2O Centimetres of water
CMV Continuous Mandatory Ventilation
Compl. Compliance
CPAP Continuous Positive Airway
Pressure
DCO
2
Gas transport coefficient, based on
tidal volume and frequency.
dP Delta Pressure
EMC Electromagnetic Compatibility
ET Endotracheal
O
2
% Percentage Oxygen
HFO High Frequency Oscillation
HFOV High frequency oscillatory
ventilation
Hz Hertz (Cycles per second)
I:E Inspiratory: Expiratory Ratio
Insp Time Inspiratory Time
kg Kilogram
LED Light Emitting Diode
LF Low Frequency
l/min Litres per Minute
mbar Millibar
ml Millilitres
ms Millisecond
NEEP Negative End Expiratory Pressure
Mean P Mean Pressure
PEEP Positive End Expiratory Pressure
PIP Peak Inspiratory Pressure
psi Pounds per Square Inch
PTV Patient Triggered Ventilation
Resist. Resistance
RS232C RS232 is a long established
standard for low speed serial data
communication, “C” being the
current version.
SaO
2
Saturated oxygen
SIMV Synchronised Intermittent
Mandatory Ventilation
Ti Inspiratory time
TTV
plus
Targeted Tidal Volume
tcPCO
2
Transcutaneous Carbon Dioxide
tcPO
2
Transcutaneous Oxygen
VLBW Very low birth weight
Vol. Cont. Volume Control
Vexp(ml) Expired Volume Control in millilitres
Vinsp(ml). Inspired Volume in millililtres
Vmin (l) Minute Volume in litres
Vt Tidal volume
Vte Tidal Volume expiratory
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