WM 68071 05/2021
MEDUMAT Standard
2
EN 145
7 Description of the modes
The IPPV mode is used for mandatory volume-controlled
ventilation with a fixed tidal volume and fixed frequency. This
mode is used on patients who have no spontaneous breathing.
However, a spontaneously breathing patient can breathe deeply
and freely during expiration.
When the maximum ventilation pressure (pMax) is achieved, the
device maintains the pMax up until the end of the inspiration time
and then switches to expiration. As such, the set tidal volume is
possibly not fully applied if the maximum ventilation pressure
(pMax) is achieved during inspiration.
7.3.2 BiLevel + ASB mode
Description
Abbreviation BiLevel + ASB
Long form
Ventilation at two pressure
levels + Assisted Spontaneous
Breathing
Type Pressure-controlled
Requirement
• Flow measurement + ASB option
is activated
• Pressure controlled ventilation
modes option is activated
• Curve display option is activated
Ventilation parameters
Left-hand navigation knob pInsp
Central navigation knob Freq.
Right-hand navigation knob
PEEP
pMax
ΔpASB
InTr
I:E
Emergency mode
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