Displayed ST Data
ST data displays as values in the Patient Sector and Patient Window at the
Information Center. A positive value indicates ST segment elevation; a
negative value indicates ST segment depression. You can view ST data in
ST Review, Trend Review, and Event Review windows.
Note — ST data and alarms are not displayed at the MX40.
EASI ST Analysis
The Information Center generated ST values presented in the patient sector
and Patient Window for EASI derived leads is STindx (ST Index). STindx is
a summation of three ST segment measurements, using the leads that can
indicate ST segment changes in the different locations of the heart:
Turning ST Monitoring On/Off
The ST Setup Window at the Information Center allows you to turn ST
monitoring on or off for all available ECG leads.
You would turn ST monitoring off if:
ECG and Arrhythmia Monitoring
anterior lead V2
lateral lead V5
inferior lead aVF
You are unable to get any lead that is not noisy.
Arrhythmias such as atrial fib/flutter cause irregular baseline.
The patient is continuously ventricularly paced.
The patient has left bundle branch block.