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3) Locate the cuff in such a way that the artery mark
«
»
is at a location where the clearest pulsation of
brachial artery is observed.
4) The cuff should be tightened to a degree where insertion of one finger is allowed.
5) The lower end of the cuff should be 2cm above the elbow joint.
2. The patient should lie on the back so that the cuff and the heart are in a horizontal position and the most accurate
measurement is taken. Other postures may lead to inaccurate measurement.
3. Do not speak or move before or during the measurement. Care should be taken so that the cuff will not be hit or
touched by other objects. The air tube which connects the cuff and monitor should be straightway without any tangle.
4. The measurement should be taken at appropriate intervals. Continuous measurement at too short intervals may lead to
pressed arm, reduced blood flow and lower blood pressure, and resulting inaccurate measurement of blood pressure.
It is recommended the measurement be taken at intervals of more than two minutes.
5. With the oscillometric method, when blood pressure is measured, the inflation pressure of the cuff will be automatically
adjusted according to the previous measurement. Generally, the initial inflation pressure is 150mmHg (for the adult
mode) or 120mmHg (for pediatric) or 70 mmHg (for neonate) when it is powered on. Following that, 28mmHg (for
adult) or 25mmHg (for pediatric) or 25mmHg (for the neonate) will be added on the basis of the last measurement of
systolic pressure. In this way, when the blood pressure rises or the patient is changed, the device may fail in giving the
result after the first-time inflation. This device will automatically adjust the inflation pressure until the measurement is
taken, after that, up to four times retry will be allowed.
6. When an adult patient is monitored, the device may fail in giving the blood pressure measurement if the Pediatric or
neonate patient type is selected.
7. When taking NIBP measurement on pediatric or neonatal patients, the operator must select correct patient type
depending on different patients (refer to NIBP menu setup) and do NOT operate with the adult patient type setting. The
high inflation pressure for adult is not suitable for pediatric patients.
9.6 Understanding the NIBP Numerics
NIBP Panel:
NIBP label and unit
Systolic
pressure value
Mean arterial
pressure
NIBP measurement
mode
Diastolic
pressure value
Pulse rate value
“NIBP”:
the label of blood pressure. “129” is the systolic pressure value, “86” is the diastolic pressure value, and “94”
is the mean arterial pressure.
“mmHg”:
the unit of blood pressure value, 1kPa = 7.5mmHg.
“PR62”:
pulse rate value when taking blood pressure measurement.
“Manu”
: the icon of NIBP measurement mode. There are 3 modes: “Manual” , “Auto” and “STAT”. When in “AUTO”
mode, a count-down timer is displayed as well.
9.7 Changing NIBP Settings
See section 5.5 for details.
