3.6 Hypertension Classification Indicator
The bars on the left hand edge of the display show you the range within which the indicated blood pressure values
lies. Depending on the height of the bar, the readout value is either within the normal (green), borderline (yellow) or
danger (orange/red) range.
The classification is based on standards adopted by the U.S. National Institute of Health JNC7, 2003.
Refer to the chart below for details of the classification.
180
Red
160-180
Red
Orange
140-160
130-140
Yellow
Yellow
120-130
Green
WHO
The indicator bar raises according to your measurement.
•
If your measurement has only one bar, your measurement is in the green zone, or "Normal" according to
National Institute of Health (NIH) standards.
•
If your measurement has two or three bars, it is in the yellow zone, or "Pre-Hypertension" according to NIH
standards, or high normal according to the WHO classification.
•
If your measurement has four bars, it is in the orange "Stage 1 Hypertension" zone.
•
If your measurement has five bars, it is in the red "Stage 2 Hypertension" zone.
•
If your measurement has six bars, it is in the red "Stage 3 Hypertension" zone.
SYS
DIA
(mmHg)
110
100-110
90-100
85-90
80-85
120
80
World Health Organization 2003