Source:
And why the numbers are so important.
Less than 120/80 mm Hg
Systolic between 120-129 and diastolic less than 80
Systolic between 130-139 or diastolic between 80-89
Systolic at least 140 or diastolic at least 90 mm Hg
Systolic over 160 and/or diastolic over 100, and evidence of new or worsening organ damage (heart, kidneys, brain). Patients will need hospitalization for medication