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5 Ventilator settings
P-ramp
(count.)
Short P-ramp settings (50 ms) provide
higher initial flow rates and result in
faster attainment of the target pres-
sure. This can benefit patients with ele-
vated respiratory drive. Short P-ramp
settings have been correlated with
reduced work of breathing in certain
patients.
Set P-ramp to achieve a square (rectan-
gular) pressure profile.
Applies to all breaths in pressure
modes.
NOTE:
To prevent possible pressure
overshoot in pediatric applica-
tions, it is recommended that
P-ramp be set to at least 75 ms.
25 to 200 ms
Psupport Pressure (above PEEP/CPAP) to be
applied to a patient-triggered breath
during the inspiratory phase.
Applies to spontaneous breaths.
0 to
100 cmH2O
P-trigger Pressure trigger. The pressure drop
below PEEP/CPAP required to begin
a patient-initiated breath.
Applies to all breaths in all modes,
if selected.
NOTE:
If autotriggering occurs, first
check the patient, breathing cir-
cuit, and other settings as possi-
ble causes before decreasing
the trigger sensitivity.
0.1 to
10 cmH2O
(below PEEP/
CPAP)
Table 5-2. Control settings, mode additions, and ranges
Parameter Definition Range
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