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DMR V4C 3.3 (User Manual) V-4 06-May-2022
13 Glossary
Battery Level
Display of the remaining battery capacity; located adjacent to the battery symbol.
bpm
An abbreviation for "breaths per minute," which is the unit of measure for breath rate (see
below).
Breath Rate
The total number of breaths, both machine and spontaneous, delivered by a ventilator in one
minute.
cmH2O
An abbreviation for "centimeters of water," which is a unit of measure for pressure.
Driving Pressure
Plateau airway pressure minus PEEP.
Fraction of Inspired Oxygen (FiO
2
)
Amount of oxygen delivered to the patient.
FiO
2
Sensor
The sensor that measures the amount of oxygen being delivered to the patient.
Flow
Volume of gas delivered by the ventilator compared to time, expressed in liters per minute
(lpm).
hPa
An abbreviation for "hectopascal", which is a unit of measure for pressure.
Inspiratory Sensitivity (I Sens)
Level of inspiratory effort the patient has to provide during the initiation of a machine breath.
The sensitivity levels (from 0P to 5) correspond to differences in flow compared to the bias flow.
Level 0P is the most sensitive and requires the least effort to trigger a breath. Level 5 requires
the most amount of effort to trigger a breath.
Inspiratory Tidal Volume (VTI)
Volume delivered to the patient at each inspiratory phase.
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