Classification of blood pressure
Normal
- Systolic 119 mm Hg or below
- Diastolic 79 mm Hg or below
Prehypertension
- Systolic 120–139 mm Hg
- Diastolic 80–89 mm Hg
High blood pressure (hypertension)
- Systolic 140 mm Hg or above
- Diastolic 90 mm Hg or above
High blood pressure is also classified into stages.
- Stage 1 high blood pressure:
- Systolic 140–159 mm Hg
- Diastolic 90–99 mm Hg
- Stage 2 high blood pressure:
- Systolic 160 mm Hg or higher
- Diastolic 100 mm Hg or higher
| Author: | Robin Parks, MS | Last Updated: April 24, 2007 |
| Medical Review: | Caroline S. Rhoads, MD - Internal Medicine Robert A. Kloner, MD, PhD - Cardiology Ruth Schneider, MPH, RD - Diet and Nutrition | |
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