1. Know Your Monitor
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1.4 Classification of BP (Blood Pressure)
ACC/AHA 2017 Hypertension guidelines define categories of BP in 
adults as below.
Categories of BP in Adults*
• NEVER diagnose or treat yourself based on your readings. ALWAYS consult 
with your physician.
BP Category Systolic BP Diastolic BP
Normal   < 120 mmHg  and  < 80 mmHg
Elevated 120 - 129 mmHg and  < 80 mmHg
Hypertension
Stage 1 130 - 139 mmHg  or  80 - 89 mmHg
Stage 2   ≥ 140 mmHg    or  ≥ 90 mmHg
* Individuals with Systolic BP and Diastolic BP in 2 categories should 
be designated to the higher BP category.
BP indicates blood pressure (based on an average of ≥ 2 careful 
readings obtained on ≥ 2 occasions).
Source: ACC/AHA 2017 High Blood Pressure Clinical Practice 
Guideline