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WHO
Blood
Pressure
Classifications
Standards
for
assessment
of
high
or
low blood pressure, regardless
of
age,
have been
established
by
the
World
Health Organization
(WHO)
as
shown
in
the
following chart.
Diastolic
Blood
Pressure
Borderline
Hypertense
Pressure
Type
Normal
Blood
Pressure
Type
Type
140
160
mmHg
Systolic
Blood Pressure
Reference
Material: Investigation
into
Adult
Diseases Report
by the
Ministry
of
Health
and
Social
Security,
1971.
This chart
is
only
a
general
guideline.
Please
contact
your
physician
to
determine your
NORMAL BLOOD
PRESSURE.
Variations
in
Blood
Pressure
Blood pressure can be
influenced
by
many
factors.
This
change
can
occur
from
moment
to
moment.
Normally,
blood pressure
is
lowest during the
sleeping period
and
rises
during the
day.
The
graph below
represents the
variations
in
blood pressure
shown
over
a day
with
measurements
taken
every 5 minutes.
The
dotted
line
represents the
sleep
period.
The
rise
in
blood
pressure
at
1
PM
(A
in
the
graph)
corresponds
to
a
stress-
ful
occurrence
and
at
7
PM
(B
in
the
graph)
a
period
of
exercise.
PM
Time
6
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