Beurer BC 21 Mode D'emploi page 30

mal because of flaws in the bioelectrical system that
regulates the heartbeat. The symptoms (skipped or
premature heart beats, pulse being slow or too fast)
can be caused by factors such as heart disease, age,
physical make-up, excess stimulants, stress or lack
of sleep. Arrhythmia can only be determined through
an examination by your doctor.
If the symbol is shown on the display after the
measurement has been taken, repeat the meas-
urement. Please ensure that you rest for 5 minutes
beforehand and do not speak or move during the
measurement. If the symbol
please consult your doctor. Self-diagnosis and treat-
ment based on the measurements can be danger-
ous. Always follow your doctor's instructions.
Risk indicator:
The measurements can be classified and evaluated in
accordance with the following table.
However, these standard values serve only as a gen-
eral guideline, as the individual blood pressure varies
in different people and different age groups etc.
It is important to consult your doctor regularly for ad-
vice. Your doctor will tell you your individual values
for normal blood pressure as well as the value above
which your blood pressure is classified as dangerous.
appears frequently,
30
The classification on the display and the scale on the
device show which category the recorded blood pres-
sure values fall into. If the values of systole and di-
astole fall into two different categories (e.g. systole in
the 'High normal' category and diastole in the 'Normal'
category), the graphical classification on the device
always shows the higher category; for the example
given this would be 'High normal'.
Blood pressure Systole
value category (in mmHg)
Level 3:
severe ≥ 180
hypertension
Level 2:
moderate 160 – 179
hypertension
Level 1:
mild 140 – 159
hypertension
High normal 130 – 139
Normal 120 – 129
Optimal < 120
Source: WHO, 1999 (World Health Organization)
Diastole
Action
(in mmHg)
seek medical
≥ 110
attention
seek medical
100 – 109
attention
regular
90 – 99 monitoring by
doctor
regular
85 – 89 monitoring by
doctor
80 – 84 self-monitoring
< 80 self-monitoring