Shenzhen PM-9000 Express Manual del operador descargar pdf (Pagina 154)

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11.4.3 Adjusting ST Measurement Point

The ST measurement for each beat complex is the ventical difference between two

measurement points. The isoelectric point provides the baseline for the measurement and the

ST point provides the other measurement point.

R wave

P wave

T wave

ST measurement value

Base point ISO ST measurement point

Figure 11-10 ST Measurement Point

The ST measurement points need to be adjusted when you start monitoring, and if the

patient’s heart rate or ECG morphology changes siginificantly. Artifactual ST segment

depression or elevation may occur if the ISO or the ST point is incorrectly set.

NOTE

•

Abnormal QRS complex is not considered in ST analysis.

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