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7. CONNECTING THE TUBE
Insert the armband tube in the plug located on the left of the device, as shown in the
illustration (Fig. 5).
8. BASIC RULES FOR MEASURING
•
Avoid eating, smoking or any form of exercise prior to measuring. All these factors influence
the result of the measurement.
• Take time to relax seated in an armchair, in a calm atmosphere, for ten minutes prior to
measuring.
• While measuring, remain seated, calm and without moving or speaking.
• Remove any clothing that might put pressure on the arm.
• Always take the measurement on the same arm (normally the left) and, as much as
possible, avoid moving it while measuring. If necessary, rest your arm on a cushion to keep
it relaxed.
• Endeavour to take the measurements on a regular basis, at the same time of day and in the
same conditions since arterial pressure changes in the course of the day.
• Do not take a measurement immediately after another. Wait for a few minutes, in a relaxed
position, seated or lying down, before repeating measuring.
• If the armband is placed too far below or too far above the heart, the measurement will be
altered showing a higher or lower pressure relative to the real values (for each 15 cm
difference in height, the result of the measuring will alter by 10 mmHg.
• A poorly fitted armband or an air pocket along the sides leads to false measurements.
N.B.
To obtain comparable blood pressure measurement values, it is essential for them to be taken
in identical conditions.
9. FITTING THE ARMBAND
a) Slip the end of the armband (with the built-in rubber stop) through
the metal arc to form a loop. The Velcro fastener is on the outside
(if the armband is ready, as described above, overlook this step).
b) Place the armband on the left arm so that the tube is facing the
forearm.
c) Place the armband on the arm, as shown in the figure, being careful
to ensure that the lower edge of the armband is 2-3 cm over the
elbow, with the end of the armband rubber on the inside of the arm.
d) Hold out the free end of the armband and seal it with the Velcro
fastening.
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