EN
34
Information You Should Know Before
Operating the Unit
What is blood pressure?
A force is created by the heart as the ventricle forcibly
ejects blood into the blood vessels and through the
vascular system. Another force is created by the arter-
ies as they resist the blood fl ow. Blood pressure is the
result of these two forces.
Comparison to WHO recommendations
See the following blood pressure classifi cation chart
released by the WHO (World Health Organization) for
evaluation of your blood pressure level.
Severe hypertension (Grade 3)
Moderate Hypertension (Grade 2)
Mild Hypertension (Grade 1)
Optimal
Normal
Boarderline
Blood
pressure
classifi ca-
tion
Systolic BP
mmHG
Diastolic BP
mmHg
Color
indicator
Optimal < 120 < 80 6 x Green
Normal 120 – 129 80 – 84 3 x Green
High –
Normal
130 – 139 85 – 89 6 x Yellow
Stage 1
Hyperten-
sion
140 – 159 90 – 99 2 x Red
Stage 2
Hyperten-
sion
160 – 179 100 – 109 4 x Red
Stage 3
Hyperten-
sion
>= 180 >= 110 6 x Red
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