Operator’s Manual LTV
®
Series ventilator Page F-3
p/n 10664, Rev. Y
TERM DEFINITION
Manual breath
A Machine Breath initiated by the operator pushing the Manual Breath
Button.
MAP
Mean Airway Pressure.
Mean airway pressure,
monitored
The average airway pressure over a series of breaths.
Minimum exhalation time
The minimum time required for exhalation is 346 msec. Control
settings are limited to ensure the Minimum Exhalation Time is
provided. Breaths may not be triggered during the Minimum Exhalation
Time.
Minimum inspiratory
time
The minimum time required for inspiration is 300 msec. Control
settings are limited to ensure the Minimum Inspiratory Time is
provided.
Minute volume,
monitored (VE)
The total volume exhaled by the patient for the last 60 seconds. VE is
refreshed at the conclusion of each breath and is based on the last 8
breaths.
msec
Millisecond: One one-thousandth of a second.
Non-volatile memory
Memory that is retained when ventilator is in Standby mode or
powered off.
O
2
Oxygen.
Patient breath
A Pressure Support or Spontaneous breath that is started by the
patient, controlled by the ventilator and cycled by the patient. Patient
breaths may occur in SIMV and CPAP ventilation modes.
Patient effort
Inspiratory effort by the patient.
Peak inspiratory
pressure, monitored (PIP)
The maximum circuit pressure occurring during the inspiration and first
300 ms exhalation phase of a breath. PIP is measured at the patient
wye.
PEEP
Positive End Expiratory Pressure.
PIP
Peak Inspiratory Pressure.
Positive end expiratory
pressure, monitored
(PEEP)
The circuit pressure measured at the end of exhalation. PEEP is set
using the mechanical PEEP valve on the exhalation valve.
POST
Power On Self Tests. A set of self-tests the ventilator performs when
turned on to verify the operational integrity of the Processor, Displays,
Audible Alarm, Confirming Audible Chirp
99
, SRAM, Program Memory
and EEPROM (some tests require operator visual and/or audible
verification).
Pressure control breath
A machine or assist breath where the circuit pressure is elevated to a
operator-set pressure for a operator-set period of time. Pressure
Control breaths have an optional flow termination criteria.
99
Only on ventilators with an audio sound symbol ( ) on the back panel label.
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