Navigating the Screens
4-10
Operator's Manual
The list of all possible ventilation parameter settings on the Main screen include the following:
+ only available on the HT70PM when the on-airway flow sensor is in use
Note:
When an on-airway flow sensor is detected, both the Flow Trig and Ptrig settings are active, and the first
available detection of patient effort (either flow or pressure) will trigger a breath.
Note:
For Volume Control mandatory breaths, VT, flow, and i-time are available to be set. The VT (tidal volume) is
the controlling setting. Flow and i-time setting are inversely related to each other. Changing either flow or
i-time causes the inversely related setting to be recalculated to match the new flow or i-time setting and
the VT remains steady.
For example, if the flow rate is changed to a higher setting, the i-time will decrease to meet the new flow
setting. If the i-time is changed to a longer time period, the flow rate will decrease to meet the new i-time
setting.
Also while in Volume Control, changing the flow waveform setting on the More screen will cause the flow
to change on the Main screen. A square wave will use a lower flow, and a descending ramp waveform will
use a higher flow. Always recheck the settings and monitored values after changing the flow waveform.
VT (tidal volume)
RR (respiratory rate)
PEEP
PS (Pressure Support)
Ptrig
PC (Pressure Control)
Flow (in Volume Control)
Flow Trig+
i-time
Содержание Newport HT70
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