LTV 1200 Operator's Manual - CareFusion Emergency Preparedness

SBT Operations (cont.)
When the Spontaneous Breathing Trial mode is turned on (SBT ON selected);
• The ventilator switches to CPAP mode.
• Pressure Support and FIO2 control settings on the front panel are overridden with the values
preset in the SBT OP menus.
• The High Breath Rate alarm (HIGH f) in the ALARM OP menu is disabled (as long as the
SBT mode is on).
The Spontaneous Breathing Trial mode will be terminated and ventilation will return to the
previously set modes/settings when;
• The minutes preset in the SBT OP, MINUTES menu have elapsed.
• An SBT alarm (SBT < f, SBT > f, SBT < f/Vt, or SBT > f/Vt) has been active in excess of 5
minutes (see Chapter 9 - Ventilator Alarms for additional information).
• An Apnea alarm (APNEA) is generated and the ventilator automatically enters the Apnea
Backup mode of ventilation (see Chapter 9 - Ventilator Alarms for additional information).
• A High Pressure alarm (HIGH PRES) is generated during which the ventilator’s turbine is
stopped to allow the circuit pressure to evacuate (see Chapter 9 - Ventilator Alarms for
additional information).
• The operator selects SBT OFF in the SBT OP, SBT START menu.
• The operator pushes any control button, other than the Manual Breath, Select, Control
Lock or Silence Reset.
To modify the Spontaneous Breathing Trial settings:
1) Turn the Set Value knob until SBT START is displayed, push the Select button, and SBT OFF
or SBT ON is displayed.
Turn the Set Value knob until the desired setting is displayed, and push the Select button.
• When SBT ON is selected, the Spontaneous Breathing Trial ventilation mode is turned
on using the current SBT menu settings. If the SBT menu settings were not previously
reset, the factory set default settings will be used (see DEFAULTS in Chapter 9 -
Ventilator Alarms for additional information). All SBT menu settings are to be
reviewed for applicability and/or set as necessary, prior to selecting the SBT ON
menu option.
• When the Spontaneous Breathing Trial ventilation mode is active and SBT OFF is
selected, the Spontaneous Breathing Trial ventilation mode is terminated and ventilation
returns to the previously set modes/settings.
2) Turn the Set Value knob until PRES SUPPORT is displayed, push the Select button and PEEP
+xx cmH2O is displayed.
Turn the Set Value knob until the desired setting is displayed, push the Select button, and the
SBT Pressure Support value is set.
• Range: 0 - 30 cmH2O, in increments of 1
3) Turn the Set Value knob until PEEP is displayed, push the Select button, and xxx cmH2O is
displayed.
Turn the Set Value knob until the desired setting is displayed, push the Select button, and the
SBT PEEP value is set.
• Range: 0 – 20 cmH2O, in increments of 1
Page 10-26 LTV ® 1200 Ventilator Operator’s Manual
p/n 18247-001, Rev. G