8-16
8.7.6 Changing QT Settings
8.7.6.1 Setting QT Alarm Properties
To set QT alarm properties,
1. Select [Alarm Setup>>] from the [QT Analysis] menu.
2. Set QTc and ∆QTc alarm properties.
8.7.6.2 Selecting Leads for QT Calculation
You can select one lead or all leads for QT calculation. To do so, select [Analysis Lead] from the [QT Analysis] menu. [All]
is selected by default. This means all leads are used for QT calculation.
8.7.6.3 Changing the QTc Formula
The monitor uses as a default the Hodges correction formula to correct the QT interval for heart rate. To change the QTc
formula, select [QTc Formula] from the [QT Analysis] menu.
Hodges:
6075.1 HeartRateQTQTc
Bazett:
2
1
60
HeartRate
QTQTc
Fridericia:
3
1
60
HeartRate
QTQTc
Framingham:
HeartRate
QTQTc
60
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