Glossary
13-2 User Manual
DMR V4C 3.3 (User Manual) V-4 06-May-2022
I Time (Inspiratory Time)
Inspiratory time measure.
lpm
Liters per minute (a unit of volume flow rate).
Max Rtot (Total Breath Rate)
The maximum alarm setting to prevent hyperventilation or ventilator autotriggering. The High
Rate alarm will be triggered if the total breath rate exceeds the maximum limit set.
mbar
An abbreviation for "millibar", which is a unit of measure for pressure.
P A/C (Pressure Assist/Control)
A ventilator mode which provides machine-initiated breaths delivered at a clinician-set pressure,
inspiratory time, and rate.
Patient Breath
Breathing cycle initiated by the patient.
Patient Circuit
Tubing between the ventilator and the patient.
Patient Effort
Inspiratory effort initiated by the patient.
Peak Inspiratory Pressure (PIP)
The highest pressure measured in the patient circuit during the inspiration phase.
Peak End Expiratory Pressure (PEEP)
Pressure in the patient circuit at the end of expiration.
PSI
Pounds per square inch.
Rtot
Parameter measured by the ventilator equal to the total number of breaths per minute (bpm).
V A/C (Volume Assist/Control)
A ventilator mode which provides machine-initiated breaths are delivered at a clinician-set
volume inspiratory time, and rate.
VTE (Exhalation Tidal Volume)
Volume exhaled by the patient at each exhalation phase.
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