5 ECG, Arrhythmia, ST and QT Monitoring
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EASI Electrode Placement
ECG and Arrhythmia Alarm Overview
The ECG and arrhythmia alarms available depend on which measurements are switched on, and the
arrhythmia option enabled for your monitor.
• Cardiotach alarms are available when HR is on and the active alarm source is ECG, but arrhythmia
is switched off
• Basic arrhythmia alarms are available when Arrhythmia is switched on
• Advanced arrhythmia alarms are available when Arrhythmia is switched on and the Advanced
Arrhythmia option has been enabled for your monitor
1 E (V) - on the lower sternum at the level of
the fifth intercostal space
2 A (LL) - on the left midaxillary line at the
same level as the E electrode
3 S (LA) - on the upper sternum
4 I (RA) - on the right midaxillary line at the
same level as the E electrode
5 N - reference electrode - can be anywhere,
usually below the sixth rib on the right hip