ST/AR ST Analysis Algorithm
ECG and Arrhythmia Monitoring 6-37
ST/AR ST Analysis Algorithm
Introduction
The intended use of the ST/AR ST Analysis algorithm is to monitor an adult
patient’s ECG for ST segment elevation or depression and produce
events/alarms for all possible ECG leads. The ST Analysis algorithm is
capable of monitoring paced and non-paced adult patients.
The ST/AR ST algorithm monitors ST segment elevation or depression for
each available telemetry ECG lead and produces events/alarms
simultaneously.
Note—The ST Analysis algorithm does not analyze ventricularly paced or
ventricular ectopic beats.
Warning
This device provides ST level change information; the clinical significance
of the ST level change information needs to be determined by a physician.
ST values update with every measurement period and enunciate,
depending upon the severity of the change, events and alarms as they are
detected.
The ST/AR ST algorithm is approved for use only with adult non-paced
and atrially-paced patients.
Caution
Some clinical conditions may make it difficult to achieve reliable ST
monitoring, for example:
if you are unable to select a lead this is not noisy
if arrhythmias such as atrial fib/flutter are present, which may cause an
irregular baseline
if the patient is continuously ventricularly paced
if the patient has left bundle branch block
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