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Pressure
pMax
CPAP without pressure support
CPAP with pressure support ASB
ΔpASB
CPAP / PEEP
Time
1/Freq. (spontaneous)
1/Freq. (spontaneous)
The CPAP + ASB mode can be separated into its individual elements:
The set value CPAP/PEEP is used to increase the pressure level of respiration in order to raise
the functional residual capacity (FRC) of a spontaneously breathing patient.
The ASB mode is used for pressure support of insufficient or exhausted spontaneous
respiration. The patient is able to breathe spontaneously without any restriction, but is
supported in his breathing effort by MEDUMAT Transport.
The CPAP + ASB mode is used exclusively on patients with adequate spontaneous
respiration.
In principle, the pressure is set at the end of expiration (PEEP). In addition, pressure support
(
pASB) can be switched on if needed. Ventilation can be individually adjusted to suit the
Δ
patient with the aid of the inspiratory and expiratory triggers. The inspiratory trigger
indicates a sensitivity for triggering pressure support. The expiratory trigger determines
when the unit should switch off pressure support, which enables the administered volume
and the inspiration time to be set indirectly.
The set maximum pressure limitation (pMax) ensures the safety of the patient.
Ventilation modes
EN
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