8-7
NOTE
The P-V tool function is disabled in the following cases: patient type of Ped,
CPAP/PSV, NIV or apnea vent mode, within one minute after nebulization or
suction, within one minute after last P-V loop test.
The P-V tool function is not recommended when there is great leakge or when the
patient has spontaneous breathing. The relevent characteristic points the P-V tool
function provides are only for your reference.
1. Push the Menu key. Select [Tool] and select [Procedure].
2. Select [P-V Tools] to access the P-V tools screen.
3. Read P-V tool related notes on the screen.
4. Select [Procedure] and set Pstart, Flow, Pmax and Vlimit parameters on the Procedure
screen. The system acquires Tmax parameter value based on the calculation formula and
displays it on the menu screen.
Flow: gas delivery and expiration flows of the static P-V loop.
Pstart: starting pressure of the static P-V loop.
Pmax: maximum pressure which the static P-V loop can reach.
Vlimit: maximum volume which the static P-V loop can reach.
Tmax: maxium measurement time required for completing static P-V loop
measurement.
5. Select [Start] and the system starts P-V tool measurement. If you select [Stop Insp]
during measurement, the system stops inspiration measurement test immediately and
starts expiration measurement. If you select [Abort] during measurement, the system
aborts measurement immediately.
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