Viewing ST Maps
Viewing an ST Map
To display an ST map,
In the Setup ST Analysis menu, select ST Map.
Working in the ST Map Task Window
You may need to activate the ST map task window to see all the data, and to access the pop-up keys.
Select the map view on screen to activate its task window. Once you activate it, you can perform the
tasks detailed here.
Switching Between ST Map Views
To switch between views,
Select Current View or Trend View to toggle between views.
If your trend view is empty, you need to adjust the priority of this measurement in the trending
priority list. See "Trend Priority" on page 191.
Displaying an ST Reference Baseline
You can display an ST reference baseline for the current view, or for the trended view. The baseline is
shown in yellow. However, if the ECG color is yellow, the baseline is shown in green. Use this baseline
to detect ST changes. The baseline is derived automatically whenever the monitor relearns arrhythmia
and also on user request.
Select Show Baseline/Hide Baseline to toggle between baseline display on and off.
Updating an ST Map Reference Baseline
To update the baseline,
In the Setup ST Analysis menu, select ST Baseline
Changing the Scale of the ST Map
To change scale,
Select Size Up or Size Down to alter the size at which monitor displays the map.
7 ECG, Arrhythmia, ST and QT Monitoring
In this diagram, V4 was either temporarily switched off, or in INOP,
for around 30 seconds. No data was recorded. Consequently, the
affected maps are not closed.