Covidien Puritan Bennett 540, Руководство пользователя

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Glossary
F-2
Puritan Bennett 540™ Ventilator User’s Manual
Bias flow
Turbine flow during exhalation phase through the patient circuit to avoid rebreathing.
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.
Caregiver
An individual who assists a patient with the tasks of daily living. This may be a family member, a live-in
assistant, or the nursing staff of a health care facility.
cmH
2
O
An abbreviation for “centimeters of water,” which is a unit of measure for pressure.
Continuous Positive Airway Pressure (CPAP)
Continuous airway pressure maintained throughout a spontaneous breath cycle.
Controlled breath
A volume or pressure breath triggered, controlled and terminated by the ventilator.
Double Limb patient circuit
Patient circuit with a tube between the ventilator gas outlet and the patient for inspiratory gas and
another tube between the patient and the expiratory block for expiratory gas.
Exhalation block
Part of the ventilator that allows the connection of the exhalation limb of the patient circuit. The
exhalation block is for single-patient use only.
Exhalation phase
Phase of the breath cycle during which the patient exhales.
Exhaled Tidal Volume (VTE)
Exhaled volume measured for all breath types through the exhalation block. Monitored value
available only with double limb patient circuit.
Expiratory minute volume (Min VE)
Volume exhaled by the patient at each expiratory phase and multiplied times the
respiratory rate.
Exhalation sensitivity
The exhalation sensitivity (Exh Sens) level is a percentage of peak flow at which a pressure-supported
breath will be terminated.
Expiratory Tidal Volume (VTI)
Volume exhaled by the patient at each expiratory phase.