Welby ABO 523 Manual Del Usuario página 42

Evaluating the measurements
Deleting memory
− When you are checking the stored readings for a user, push
and hold the SET button
to delete all stored measurement results.
− You will hear a beep tone when deletion is complete.
Memory cannot be recovered once deleted.
WHO classifications
The World Health Organization (WHO) has defined six catego-
ries for the classification of blood pressure levels. This classifi-
cation is provided in the following table:
Range of
blood pres-
sure levels
Optimal
Normal
Elevated
normal
Slight
hypertension
Moderate
hypertension
Severe
hypertension
42
8 for approximately 3 seconds
Systoles Diastoles
(mmHg) (mmHg)
< 120 < 80
120–129 80–84
130–139 85–89
140–159 90–99
160–179 100–109
≥ 180 ≥ 110
Measure
Check your blood
pressure on your
own regularly.
Have your
blood pressure
checked regular-
ly by a physician.
Have your phy-
sician examine
you promptly.