7
-
25
To Set the Reference Waveform
The reference waveform and reference / measurement point for measuring the ST level can be set on
this menu.
1
Press the Menu
→
Function
→
ST
→
Reference keys to display the reference
waveform setup menu.
2
Read the waveform by pressing the Wave Set key.
16 beats average of the ECG judged as normal QRS by arrhythmia analysis will
be read. If arrhythmia learning is in process, or if VPC is present, the reference
waveform setup will take more than 16 beats.
During the reference waveform setup, the key LED will light.
3
Set the reference point for ST measurement.
The reference point can be set in the range of –240ms to 0ms in increments of
10ms from the peak of QRS to the P wave direction.
4
Set the measurement point for ST measurement.
The measurement point can be set in the range of 0ms to 560ms in increments
of 10mS from the peak of QRS to the T wave direction.
The currently measured ST value will be displayed by moving the cursor.
C A U T I O N
z
For the lead which the electrode is detached, the reference waveform setup
cannot be performed. Check if the electrode is correctly attached, and
perform the setup again.
z
When the electrodes are properly attached, the reference waveform setup
will be automatically performed.
To display the correct ST data, the reference point and measurement point
must be set.
Measurement
Point
Reference Point
Lead
7
ST Measure
ment
Содержание DynaScope 7000 Series
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