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Why is it useful to measure blood pressure at home?
Having one's blood pressure measured by a doctor in a hospital or a clinic,
is often associated with a phenomenon called "White Coat Hypertension"
where the patient becomes nervous or anxious, thus raising his blood pres-
sure. There are also numerous other factors that might cause your blood
pressure to be raised at a specific time of day. This is why medical practiti-
oners recommend home monitoring as it is important to get readings of
blood pressure during different times of the day to really get an idea of
your real blood pressure.
Medical practitioners generally recommend the "Rule of 3", where you
are encouraged to take your blood pressure three times in a row (at 3 ~ 5
minute interval), three times a day for three days. After three days you can
average all the results and this will give you an accurate idea of what your
blood pressure really is.
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.
110
105
100
95
90
85
80
However this chart is not exact for classification of blood pressure and
it's intended to be used as a guide in understanding non-invasive blood
pressure measurements. Please consult with your physician for proper di-
agnosis.
Moderate hypertension
Mild hypertension
High normal
Normal
Optimal
120
Systolic Blood Pressure (mmHg)
Severe hypertension
130 140 150 160 170 180