User's Manual

Patient Monitor User Manual Monitoring NIBP
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Chapter 12 Monitoring NIBP
12.1 Overview
This monitor uses the oscillometric method for measuring NIBP. It can be used for adult,
pediatric and neonatal patients.
Oscillometric devices measure the amplitude of pressure changes in the occluding cuff as the cuff
deflates from above systolic pressure. The amplitude suddenly increases as the pulse breaks
through the occlusion in the artery. As the cuff pressure decreases further, the pulsations increase
in amplitude, reach a maximum (which approximates to the mean pressure), and then diminish.
In adult and pediatric mode, the blood pressure measurements determined with this device comply
with the American National Standard for Electronic or Automated Sphygmomanometers
(ANSI/AAMI SP10-1992) in relation to mean error and standard deviation, when compared to
auscultatory measurements in a representative patient population. For the auscultatory reference,
the fifth Korotkoff sound was used to determine the diastolic pressure.
In neonatal mode, the blood pressure measurements determined with this device comply with the
American National Standard for Electronic or Automated Sphygmomanometers (ANSI/AAMI
SP10-1992) in relation to mean error and standard deviation, when compared to intra-arterial
measurements in a representative patient population.
12.2 NIBP Safety Information
WARNING
1 Do not measure NIBP on patients with sickle-cell disease or any condition where skin
damage has occurred or is expected.
2 Use clinical judgement to decide whether to perform frequent unattended blood
pressure measurements on patients with severe blood clotting disorders because of
the risk of hematoma in the limb fitted with the cuff.
3 Ensure that the correct setting is selected when performing measurements. It may be
dangerous for the children to use an over pressure level.
4 The equipment is suitable for use in the presence of electrosurgery.
5 The equipment can provide protective means to prevent the patient from being
burned when used with HF SURGICAL EQUIPMENT. The equipment can protect
against the effects of the discharge of a defibrillator.
6 Before starting a measurement, verify that you have selected a setting appropriate for
your patient (adult, pediatric or neonatal.)
7 Do not apply the cuff to a limb that has an intravenous infusion or catheter in place.
This could cause tissue damage around the catheter when infusion is slowed or
blocked during cuff inflation.