12-4
 Determine the patient’s limb circumference.
 Select an appropriate cuff by referring to the limb circumference marked on the
cuff. The width of the cuff should be 40% (50% for neonates) of the limb
circumference, or 2/3 of the upper arm’s length. The inflatable part of the cuff
should be long enough to encircle at least 50% to 80% of the limb.
 Apply the cuff to an upper arm or leg of the patient and make sure the  marking
on the cuff matches the artery location. Do not wrap the cuff too tightly around the
limb. It may cause discoloration, and ischemia of the extremities. Make sure that
the cuff edge falls within the marked range. If it does not, use a larger or smaller
cuff that will fit better.
5. Connect the cuff to the air tubing and make sure that the air tubing is not compressed or
twisted. Air must pass unrestricted through the tubing.
NOTE
z The use of the equipment is restricted to one patient at a time.
12.5.3 Starting and Stopping Measurements
Select the [NIBP Measure] QuickKey and you can start the desired measurement from the
popup menu. You can select [Stop All] QuickKey to stop all NIBP measurements. You can
also start and stop measurements by using the
hardkey on the monitor’s front panel.
12.5.4 Correcting the Measurement if Limb is not at Heart
Level
The cuff should be applied to a limb at the same level as the patient’s heart. If the limb is not
at the heart level, to the displayed value:
 Add 0.75 mmHg (0.10 kPa) for each centimetre higher, or
 Deduct 0.75 mmHg (0.10 kPa) for each centimeter lower.
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