8
Refer to the definitions of the World Health Organization, the
blood pressure ranges can be classified into 6 grades. (Ref. 1999
WHO-International Society of Hypertension Guidelines for the
management of Hypertension). This blood pressure classifica-
tion are based on statistical data, and may not be directly appli-
cable to any particular patient. It is important that you consult
with your physician regularly. your physician will tell you your
normal blood pressure range as well as the point at which you
will be considered at risk. For reliable monitoring and reference
of your blood pressure, keeping long-term records is recom-
mended. Please download the blood pressure log at our website
www.rossmax.com.
Blood Pressure standard
World Health Organization (WHO): 1999
systolic
Pressure
(mmHg)
Diastolic
Pressure
(mmHg)
Optimal
<120
and
<80
normal
120~129
or
80~84
High-normal
130~139
or
85~89
Grade 1 hypertension
(mild)
140~159
or
90~99
Grade 2 hypertension
(moderate)
160~179
or
100~109
Grade 3 hypertension
≥
180
or
≥
110
BLOOD PRESSURE STANDARD