|
Average Blood Pressure
For young people – 120/80 mmHg For old people – 140/90 mmHg
|
Blood Pressure Classification Chart |
|
Category |
Systolic (mm Hg) |
Diastolic (mm Hg) |
|
Normal |
Lower than 120 |
Lower than 80 |
|
Prehypertension |
120 - 139 |
80 - 89 |
|
Hypertension
|
|
Stage 1 |
140-159 |
90-99 |
|
Stage 2 |
160 or higher |
100 or higher |
|
Adapted from The Seventh Report on the joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure (JNC 7), NIH Publication No. 03-5233, May 2003 |
|