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In the following conditions, The device is not able to detect expiratory flow peak:
-
If the exhalation flow peak is less than 5 L/min
-
If the exhalation flow sensor is damaged or disabled by the user
-
Note:
-
The Thigh time may be set by the user to a value greater than the apnea time, in this
case it is recommended to disable the apnea mode if necessary.
-
If apnea is detected at the high pressure level due to failure to detect the patient's
respiratory effort, the device enters the exhalation as soon as possible and enters the
apnea after 200 milliseconds.
-
If apnea is detected at the low pressure level due to failure to detect the patient's
respiratory effort, if 200 milliseconds have elapsed from the exhalation phase, the
device enters apnea mode.
Adjustable parameters in this mode are:
Parameter
O
2
P
high
P
low
T
high
T
low
Auto T
low
Trigger
F Trig/ P Trig
% Esens
Rise Time
Apnea Backup
If no breath is delivered to the patient within a specific period (Tapnea), backup ventilation
will be provided. This function is available in PSV, VSV and APRV modes. PCV mode has
been considered as backup mode. You can set off Apnea Backup in each ventilation mode.
Backup settings (PCV) include Pcontrol, Rate and Ti and other parameters are according to
current settings.
It should be noted that PEEP, Pcontrol and Psupport parameters put
restrictions on each other in backup mode.
Note:
If the apnea backup activated through APRV mode, the Plow parameter is considered instead
of PEEP.
Percentage of delivered oxygen to the patient
High PEEP level
Low PEEP level
Time at high PEEP level
Time at low PEEP level
Determines how long the device stays at the low pressure level (exhalation)
The method of detecting the patient's respiratory effort (flow or pressure).
Threshold of detecting patient respiratory effort based on flow or pressure
Percentage of peak inspiratory flow in spontaneous breath necessary to
inhalation
terminate
and initiate exhalation.
Time required for inspiratory pressure to rise to set pressure
Definition
82
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