Resvent iHope RS Series, User Manual

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6-16
6. Start Ventilation
T-slope Rise time of inspiratory pressure.
F-trigger /P-trigger Inspiration trigger level.
6.5.7 VSIMV
(Volume Controlled Synchronized Intermittent
Mandatory Ventilation Mode)
Volume-controlled mandatory breaths(VCV) are
delivered at the set rate.
After mandatory breath, the patient is free to take any
number of spontaneous breaths which are supported
by corresponding pressure in set in the rest time of IMV
cycle.
The controlled breaths are preceded by a trigger
window, which allows comfortable patient-triggered
delivery without compromising the set rate.
Machine-triggered
mandatory breath Patient-triggered
mandatory breath Pressure supported
breath
Time
Pressure
Trigger
window
Trigger
window
5 S 5 S 5 S
Trigger
window
Volume
control
SIMV cycle SIMV cycle
VSIMV+PSV
Volume
control
Figure 6-10.VSIMV waveform
Table 6-7.VSIMV settings
Parameter Description
O
2
% Adjustment of oxygen concentration.
VT Tidal volume of controlled breaths.
T-insp. / I:E
Time of inspiration or ratio of inspiratory time to
expiratory time.
PEEP Positive end-expiratory pressure.
f-SIMV Controlled breaths per minute.