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Updating ST Baseline Snippets 6 ECG, Arrhythmia, and ST Monitoring
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Updating ST Baseline Snippets
ST analysis requires valid samples to measure and store a snippet. ST Snippets and ST values are
updated every minute. If there is artifact in the signal, it may take longer for an ST snippet and an ST
value to appear.
The first baseline is stored automatically after ST monitoring is started, or when a new patient is
admitted. To update ST baselines,
1 Select an ST snippet to open the ST Baseline window.
2 In the ST Baseline window, select Update Baseline to store all current snippets as
baselines. This deletes all previously-stored baselines.
Recording ST Segments
♦ To record all currently available ST snippets and baselines, in the ST Baseline window, select
the pop-up key Record ST.
ST label and
numeric
ST Baseline stored at 14 Feb 03 9:38
Timestamp of most recently stored baseline snippet
ST Baseline
1mV calibration
bar
Current snippet
ST baseline
Baseline ST numeric
and difference since
baseline was stored
ST-II
-0.8
1.9
?-2.7