Patient Monitor User Manual Monitoring ECG
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DEF POINT
The ST and ISO measurement points need to be adjusted when you start monitoring, and if the
patient's heart rate or ECG morphology changes significantly. Always ensure that ST
measurement points are appropriate for your patient. Abnormal QRS complex is not considered
in ST segment analysis.
NOTE:
In DEMO mode, the Analysis Point Setup button is unavailable.
9.8.4 Adjusting ST and ISO Measurement Points
Depending on your monitor’s configuration, the ST point can be positioned, too.
These two points can be adjusted by turning the knob. When adjusting ST measurement point, the
system will show the ST Measurement Point Window. The system displays the QRS complex
template in the window. It is adjustable for the highlight bar in the window. You may select ISO
or ST, switch the knob left or right to move the cursor line. When the cursor is at the required
position, you may select the base point or the measurement point.
9.8.5 ST Alarm Setup
Select ECG Setup > ST Analysis > ST Alarm Setup to change the ST Alarm Mode:
Real Time: The user can set the alarm switch, alarm level, alarm limit and alarm record
separately for each ST or all ST.
Differential: The monitor triggers the alarm according to the change of ST. The user does not
need to set alarm for each ST separately, but only need to set alarm switch, alarm level and alarm
difference value (-0.1~0.1) for all ST.
When ST Alarm Mode is differential, the user needs to select Delay to set the ST alarm delay
time. 3 seconds and 5 seconds are optional, and the default is 3 seconds. Besides, the Difference
and baseline value shall be set, the difference range is 0.01 mv ~0.1 mv, and the baseline range is
-1.90 mv ~1.90 mv.
9.8.6 ST View
The ST View displays a complete QRS segment for each ST lead. The color of current ST
segment and ST value are consistent with the color of HR. The color of baseline and ST value are
yellow. To enter ST view, please select ST View in ST Analysis.
In the ST View interface, the user can save ST baseline through clicking Save as Base when ST
values gets stable. If no ST baseline is saved, the monitor automatically saves the baseline when
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