624074/07 Glossary-13
Vtalv Alveolar tidal ventilation, a monitored parameter.
Vtarget Target volume, a control setting in the APV modes.
VTE Expiratory tidal volume, a monitored parameter. It is
the integral of all negative flow measurements during
exhalation.
VTI Inspiratory tidal volume.
VUP Ventilator unit processor.
WOBimp Work of breathing, a monitored parameter. The work
performed by the patient to breathe through the ventila-
tor’s demand flow system, the breathing circuit, and the
endotracheal tube.