LTV 1200 Operator's Manual - CareFusion Emergency Preparedness

I:Ecalc xx:xx
The Calculated I:E ratio (I:Ecalc) display is based on the set Breath Rate and Inspiratory Time. The
display is updated in real-time while either setting is being changed. In modes where Vcalc is
displayed during Inspiratory Time changes, the display can be toggled between Vcalc and I:E calc
using the Select button.
Vcalc xxx Lpm
The Calculated Peak Flow is based on the Tidal Volume and Inspiratory Time settings. Vcalc is
included in the list of monitored values when Volume ventilation is selected, and is not included when
Pressure ventilation is selected. Vcalc is automatically displayed when Tidal Volume or Inspiratory
Time 36 is selected for change. When both controls are deselected, the previously displayed monitored
data will be restored to the display window.
SBT xxx min
During the Spontaneous Breathing Trial (SBT) mode of ventilation, the monitor displays the time
remaining until the number of minutes preset in the SBT OP, MINUTES menu have elapsed. When
this preset time has elapsed, the SBT mode of ventilation is terminated, an SBT OFF alarm is
generated and the ventilator returns to the previously set modes/settings.
xxx f/Vt xx f
During a Spontaneous Breathing Trial (SBT), when DISPLAY ON has been selected in the SBT
DISPLAY f/Vt menu, the monitor displays the current values of the Total Breath Rate divided by the
Average Exhaled Tidal Volume (f/Vt), and the Total Breath Rate (f).
• f/Vt is computed every time the Total Breath Rate (f) or Total Minute Volume (VE) is calculated.
At the completion of the SBT mode of ventilation, the final values of the Total Breath Rate divided by
the Average Exhaled Tidal Volume (f/Vt), and Total Breath Rate (f) are displayed and retained for an
additional five minutes.
36 Vcalc is only displayed while Inspiratory Time is selected if Volume Mode is selected. Vcalc is displayed any
time Tidal Volume is selected regardless of the current ventilation mode.
Page 8-4 LTV ® 1200 Ventilator Operator’s Manual
p/n 18247-001, Rev. G