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System error
T Exp
T Insp
T pause
Tidal volume
TREND
VA
Vac
VC-VAC
Vdc
Ventilations per
minute (bpm)
User's Manual, DU3310103-MRI / rev.3 - 02.05.2019
Definition used by the safety system of the ventilator. System errors
include faults of the hardware inside the ventilator and which affect its
performance, software errors which occur momentarily inside the
ventilator and interfere with its normal functioning, an inadequate
supply of alternate current or gas and the problems of integrity of the
patient circuit (block or disconnection). In general system errors are
not corrected automatically
Expiratory time: duration of the expiratory interval of a breath.
Inspiratory time: duration of the inspiratory interval of a breath.
Pause time: percentage of inspiratory time during which the ventilator
maintains a constant airways pressure. Used for calculation of the
respiratory mechanics parameters (compliance and resistance).
Inspired and expired tidal volume during each breath. The value
delivered by the system is a parameter set by the operator which
determines the volume delivered to the patient during controlled
volume ventilation. Tidal volume includes the compensation for
compliance and for pressure and body temperature.
Medium and long-term monitoring of the respiratory parameters.
Volt -Ampere (unit of power).
Alternate current voltage
Intermitted ventilation by assisted positive pressure: a ventilation
mode which allows to deliver controlled ventilations only (started by
the patient, by the ventilator or by operator) basing on current
settings.
Direct current voltage
Respiratory rate unit (Resp/min).
Appendix
11-13
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