Page 4-2 LTV
®
Series ventilator Operator’s Manual
p/n 10664, Rev. Y
SIMV Mode
SIMV mode is selected when SIMV / CPAP is selected and Breath Rate is set between 1 and 80. In
SIMV mode, machine, assist and patient breaths may be given.
For the first patient trigger detected within a breath period, an assist breath is given. For all
subsequent patient triggers within the same breath period, spontaneous patient breaths are given.
At the beginning of a breath period, if no triggered breaths were given in the previous breath period, a
machine breath is given. If there was a patient trigger in the previous breath cycle, the ventilator will
not give a machine breath in the current breath period unless the set Apnea Interval is exceeded.
NOTE
LTV
®
ventilators provide an Apnea Backup mode of ventilation. When the set Apnea Interval
(maximum time allowed between the beginning of one breath and the beginning of the next breath) is
exceeded, the APNEA alarm is generated and the ventilator will enter Apnea Backup ventilation
mode.
REMARQUE
Les ventilateurs LTV
®
procurent un mode de ventilation de secours pour l’apnée. Lorsque l’intervalle
de l’apnée établi (durée maximum allouée entre le début d’une respiration et le début de la respiration
suivante) est excédé, l’alarme APNEA est générée et le ventilateur entre en mode de ventilation de
secours pour l’apnée.
P
aw
Pressure Control Machine and Assist Breaths, and Pressure Support Patient Breaths
Machine Machine Assist Assist Assist Pressure
Support
Pressure
Support
Pressure
Support
Patient Triggers
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