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neuropathy in the limb with the cuff. Inspect the application site regularly to ensure skin
quality and inspect the extremity of the cuffed limb for normal color, warmth, and sensitivity.
If any abnormity occurs, move the cuff to another site or stop the blood pressure
measurements immediately.
Note
You can not start NIBP measurement if the NIBP parameter area is not displayed.
9.5.3 Factors Affecting NIBP Measurement
Improper operation may cause inaccurate or blank results or misunderstanding of the measured
information when the oscillometric method is used to take the blood pressure measurement. The following
points mitigate these problems.
Requirements of the cuff:
⚫
➢
The appropriate cuff should be selected according to the age of the patient.
➢
Remember to empty the residual air in the cuff before the measurement begins.
➢
Locate the cuff in such a way that the artery mark "
pulsation of brachial artery is observed.
➢
The cuff should be tightened to a degree where the insertion of one finger is allowed.
➢
The lower end of the cuff should be 2cm above the elbow joint.
The patient should lie on their back so that the cuff and the heart are in a horizontal position, to
⚫
achieve the most accurate measurement. Other postures may lead to inaccurate measurements.
Do not speak or move before or during the measurement. Care should be taken so that the cuff
⚫
does not hit or touch other objects. The air tube which connects the cuff and monitor should be
straight and tangle-free.
The measurement should be taken at appropriate intervals. Continuous measurement at
⚫
extremely short intervals may lead to pressed arm, reduced blood flow and lower blood pressure,
and resulting in an inaccurate measurement of blood pressure. To ensure proper measurement,
take measurements at intervals of more than two minutes.
The operating steps needed to obtain accurate routine resting BLOOD PRESSURE measurements
⚫
for the condition hypertension including:
➢
Patient position in normal use, including comfortably seated, legs uncrossed, feet flat on the floor,
back and arm supported, middle of the cuff at the level of the right atrium of the heart.
➢
The patient should be relaxas much as possible and should not talk during the measurement
procedure.
➢
5 minutes should elapse before the first reading is taken.
➢
Operator position in normal use.
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.
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.
" is at a location where the clearest
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