Monitoring
220
Instructions for use Zeus Infinity Empowered SW 2.n
Non-invasive blood pressure NIBP
The NIBP system of Zeus IE inflates a blood pres-
sure cuff which is placed round the arm or leg of the
patient and then releases the air again. According
to the oscillometric procedure, Zeus IE calculates
the systolic, diastolic and mean pressure values for
adult, pediatric and neonatal patients. Single meas-
urements, intermittent measurements and continu-
ous measurements over 5 minutes can be per-
formed.
Safety cut-off
The air is automatically released from the cuff if a
measurement on adults and pediatric patients
takes longer than 2 minutes and longer than
60 seconds with neonates. This protects the patient
against excessively long cuff pressure. There are
overpressure thresholds for each patient category
that cause the air to be released automatically out
of the cuff when an excessive cuff pressure occurs.
Selecting and positioning the cuff
z Select cuff according to the circumference of
the limbs. The cuff sizes are shown on the cuff
(see list of accessories).
z If SpO
2 and NIBP are measured on the same
limb and the interlock function (see page 219) is
on, make sure that SpO
2 monitoring interrupts
the alarm during an NIBP measurement.
z Position the cuff as close as possible to the
height of the heart. If this is not possible, the
measured values must be corrected: for every
10 cm that the cuff is positioned above or below
the height of the heart, 8 mmHg must be added
or deducted respectively.
WARNING
Blocking the hose can generate incorrect
measured values because the cuff is not prop-
erly inflated or the air cannot escape again.
Check the cuff and hose for damage and soil-
ing. The cuff and hose must not come into
contact with liquids and must not be squeezed
or clamped.
NOTE
Position the cuff in such a way that no pressure is
exerted on the joints.
In the case of patients suffering from spasms, vi-
olent tremors or certain arrhythmias, it may not be
possible to obtain reliable NIBP measurements.
WARNING
The reliability of NIBP measurements is
mostly dependent on choosing the appropri-
ate NIBP cuff. An incorrect cuff size or use of
a cuff which does not fall within the size range
of cuffs manufactured by Dräger can lead to
incorrect measurements. Only use cuffs ap-
proved by Dräger. The circumference of the
limbs must always match the marks on the
cuff.
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