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St/ar St Analysis Algorithm; Intended Use - Philips IntelliVue MX40 Instructions For Use Manual

Wearable patient monitor.
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ST/AR ST Analysis Algorithm

Intended Use

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.
Note—The ST Analysis algorithm does not analyze ventricularly paced or
ventricular ectopic beats.
This device provides ST level change information; the clinical significance
of the ST level change information needs to be determined by a physician.
The ST/AR ST algorithm at the Information Center monitors ST segment
elevation or depression for each available telemetry ECG lead and produces
events/alarms simultaneously. 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 non-paced and
atrially-paced adult telemetry-monitored patients. With EASI monitoring,
ST analysis is performed on up to 12 leads, and an additional value of ST
index is calculated and displayed. Assessment of EASI-derived 12-lead ST
measurement is recommended for adult patients that meet the following
All ST analysis and ST alarms for telemetry patients are performed by the
Information Center.
For additional information on ST monitoring, refer to the following
ECG and Arrhythmia Monitoring
Ages: 33-82 years
Heights: 147 to 185 cm (58 to 73 in)
Weights: 53 to 118 kg (117 to 261 lbs)
Height to Weight Ratios: 1.41 to 2.99 cm/kg (0.25 to 0.54 in/lb)
ST/AR Algorithm - ST Segment Monitoring Application Note,
IntelliVue Information Center Instructions for Use and Online Help


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