Initial blood pressure (mmHg)

>200/110

160-199
100-109

140-159
90-99

135-139
85-89

<135/85

*

**

***

Treat

Treat

Treat

Observe
Reassess CHD
Risk yearly

Reassess
Yearly

Reassess
In 5 years

* Unless malignant phase, or
Hypertensive emergency, confirm over 1-2 weeks, then treat.

** If CVS complications, target
organ damage, or diabetes is present, confirm over 3-4 weeks, then treat; if absent, remeasure weekly and treat if BP persists at these
levels over 4-12 weeks

*** If CVS complications, target organ damage, or diabetes is present, confirm over 12 weeks, then treat; if absent, remeasure monthly and treat if these levels are maintained and if estimated 10 year CHD risk is > 15%