Citizen CH-618 Manual Del Usuario página 7

Also varies blood pressure in accordance with a variety of
conditions and so judgment is not possible on the basis of a single
measurement.
The blood pressure measured first thing in the morning after getting
up, before taking any food and with the subject still, is known as the
fundamental blood pressure. In practice it is rather difficult to record
the fundamental blood pressure, but to come as near as possible
to measuring the blood pressure in an environment that is close
to this, is why it is useful to take the measurement at home.
A. WHO blood pressure classifications
Standards for assessment
of high or low blood
pressure without regard to
age, have been established
by the World Health
Organization (WHO), as
shown in the chart.
* Figure No.1
This chart is intended to be used as a guide in understanding
noninvasive blood pressure measurements. Please consult with
your physician for proper diagnosis.
3