Spacelabs Healthcare 98000, Руководство по эксплуатации

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070-2567-03 Rev. A
4-3
NN Rate Calculations
Parameter Definition
Exclude intervals less than 0.30 seconds
Exclude intervals greater than 2.50 seconds (or use the Pause threshold)
Maintain last NN rate for 8 seconds
Note:
These settings can be changed during an analysis or saved as the ‘power on / default’
analysis settings.
Note:
For rate related events, all beat intervals within the event need to be higher than the rate
threshold. If the rate drops below the minimum rate threshold the event may be terminated
or downgraded to another event.
e.g VT to V-Run, SVT to SVE Run
For VT and SVT events the “until rate” setting can be set to a lower level to allow variations
in the rate without terminating the event.
Click on Advanced to apply analysis settings for different periods of time such as day / night.
4.3 Saving Analysis Settings
Preferred arrhythmia analysis settings, ECG scan settings and display can be stored for future /
default use.
Go to the Setups menu and select, Manage Setups. Select Create New Setup and enter a new
name. Close the dialogue. The new settings have now been stored. When starting a new analysis if
the operator wishes to use them, go to Manage Set-up and select the new set-up to Load.
If this new setup is to be used every time, see section 3.9 for more details of saving setups for a
local machine or for all Pathfinder systems on a network.
4.4 Event Order
The order that events are displayed in can be customized via the settings, and some, non critical
events, may be removed. This is applicable to the Event Summary Table, Filtered Event List and the
Event Trend screen.
The order in which they are displayed is reflected in the reports.
4.5 Event Severity
Pathfinder SL helps the operator by presenting the most severe instances of events in the Event
Summary and Filtered Event List Screens.
There are three properties that relate to”Event Severity”:
• Heart rate:
for Rate related events.
• Count:
Number of beats or cycles in the event.
• Duration: Duration of the event in time for long events (i.e. events containing more than a
fixed number of beats).
The definition of ‘severe’ for the affected events are: