ECG/RESP Monitoring
Figure 11-9 DEF POINT window
ISO and ST are two measurement points of ST segment. Both points can be adjusted.
Set the reference point of ST measurement point to be peak point of R-wave (see Figure
11-10).
R Wave
} ST Value
ISO ■ ST +112
80 ms ms
Figure 11 -10 DEF Point
The ST measurement for each beat complex is the vertical difference between the two
measurement points.
ill Note Zia
You shall adjust ST measurement point if the patient's HR or ECG waveform has
obvious change.
□ Adjusting ISO and ST
Turn the knob to adjust these two points.
When setting up the ST measurement point, the system will show the ST Measurement Point
window. The system displays the QRS complex template in the window (If the template is not
11-97