Instructions for use Zeus Infinity Empowered SW 2.n 213
Monitoring
ECG – Arrhythmia detection
Arrhythmia detection is available for adult and pedi-
atric patients, but not for neonates. The type of ar-
rhythmia monitoring (Adv. (optional), Basic or
OFF) determines the type of events which are re-
ported.
Zeus IE uses the results of QRS processing for the
arrhythmia analysis.
Arrhythmia reference pattern
Zeus IE creates a reference pattern from the de-
tected dominant QRS morphology of the patient
(learning phase).
The learning phase takes approx. 30 to
40 seconds. If Zeus IE detects more than 100 QRS
complexes, but fewer than 16 similar beats, the Un-
able to learn message appears. During the learn-
ing phase, no arrhythmia alarms are reported and
no arrhythmia data is included in the trend memory.
The Relearn message appears.
ARR level ARR parameters reported
Off ASY (asystole)
VF (ventricular fibrillation)
ARTF (artefact)
Basic ASY (asystole)
VF (ventricular fibrillation)
ARTF (artefact)
VT (ventricular tachycardia)
Advanced
(optional)
ASY (asystole)
VF (ventricular fibrillation)
V.tach (ventricular tachycardia)
V.run (ventricular run)
AIVR (accelerated idioventricular
rhythm)
SVT (supraventricular tachycardia)
CPT (ventricular couplet)
BGM (ventricular bigeminy)
Tach (sinus tachycardia)
Brady (sinus bradycardia)
Pause (pause)
ARTF (artefact)
PVC (premature ventricular contrac-
tion)
WARNING
Electrical artefacts arising from a cause other
than heart disease, e.g., attacks/spasms, may
prevent the detection of certain arrhythmias.
In the case of patients prone to attacks, the
user should not solely rely on the ECG.
NOTE
Arrhythmia detection is not reliable for all patients.
Zeus IE only classifies QRS complexes of
0.20 mV, with widths of 70 ms. An artefact (ARTF)
can occur if the ECG signal fails to meet these
minimum requirements. Arrhythmia detection can
be switched off if the QRS complexes of a patient
do not meet these minimum requirements. Heart
rate monitoring will continue.
NOTE
In the neonatal patient category a bradycardia is
a low heart rate alarm. The setting can be made
irrespective of the heart rate alarm, see page 168.
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