ECG/RESP Monitoring
11-24
Figure 11-12 ST Measurement Point
As shown above, the peak of the R wave is the reference point for ST measurement.
The ST measurement value for a beat complex is equal to the vertical difference
between the two measurement points.
NOTE
z Abnormal QRS complex is not considered in ST analysis.
P wave
T wave
Base point ISO ST measurement point
ST measurement
value
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