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User Manual Part 7

ManualsBrandsGE Medical Systems Information Technologies ManualsElectronicsMedical Telemetry Transmitter
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Viewing real-time patient data
2001989-301A- draft 1 ApexPro™ 7-23
The ST value shown in the ECG parameter window is the lead with the greatest ST
deviation. This may or may not be the lead that is in alarm, since a lead with a lesser
deviation from the isoelectric line may have changed more than the lead with the
greatest deviation.
NOTE
ST numerics are always calculated with reference to 1X size. Displaying the
ECG waveform at a different size does not affect the ST values.
NOTE
When a new dominant beat is detected or a relearn occurs, the arrhythmia
program calculates ST based on the new beat. This could affect the ST values
displayed. This may not necessarily represent a change in the patient’s condition.
The clinician needs to assess the patient any time there is an ST change.
NOTE
Adjustable ST alarms are only available when using a CIC Pro center running
software version 5 or later. If your CIC Pro center is running an earlier version of
software, this feature is not available. Contact your sales/service representative
for more information.
ST deviation alarm
When any individual ST value is beyond the limit, an ST deviation alarm occurs. It is
considered a parameter alarm, and the default alarm level is Warning. This can be
modified in the parameter alarm level setup.
When the ST program is turned on, or a relearn is done with ST on, the ST
deviation values are set for all leads of ST.
The current ST value is determined in all eight leads.
The ST value in the ECG parameter window turns red to indicate an alarm.
ST limits can also be adjusted individually in the patient’s Alarm Control tab.
NOTE
ST limits can also be adjusted at the CIC Pro center from Monitor Setup > ECG.
Adjusting ST limits
ST alarm limits and levels for telemetry patients are typically controlled by the
default ST alarm levels from the CIC Pro center. Some bedside monitors allow users
to adjust ST alarm limits and levels at the bedside when the patient is admitted in
combination monitoring mode. For more information on adjusting ST limits, refer to
the bedside monitor operator’s manual.
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