Instructions for use Carina SW 3.2n 155
Principles of operation
Additional settings for ventilation
Apnea ventilation
For switching over automatically to volume-con-
trolled mandatory ventilation in case of apnea.
Apnea ventilation can be activated in
SPN-CPAP/PS ventilation mode. If inspiratory gas
is not supplied within the defined apnea alarm time
Tapn, the device activates the Apnea Ventilation !
alarm. The device starts ventilation in volume-con-
trolled mandatory ventilation.
The FiO
2, PEEP and
Δ
Psupp ventilation parame-
ters correspond to the current effective settings of
SPN-CPAP/PS. The inspiratory time for apnea ven-
tilation is determined from the set apnea respiratory
rate RRapn and a fixed I:E ratio of 1:2. The tidal
volume is determined with the VTapn setting.
If the patient has successfully triggered at least
5 breaths per minute, the device automatically ter-
minates apnea ventilation. The device switches
back to the previous ventilation mode.
If apnea ventilation is switched off, the Apnea !!!
alarm is triggered in case of an apnea situation.
If apnea monitoring is switched off (Tapn alarm limit
set to Off), there is no apnea alarm and no apnea
ventilation.
Switching off apnea monitoring, see page 84.
Switching off apnea ventilation, see page 71.
200
Spontaneous breathing
with pressure support
Starting apnea ventilation
1
Apnea alarm time
Tapn
RRapn
Paw
Flow
t
t
VTapn
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