At what diastolic or systolic pressure is the associated risk for stroke significant?

Updated: Feb 22, 2019
  • Author: Matthew R Alexander, MD, PhD; Chief Editor: Eric H Yang, MD  more...
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Both the high systolic and diastolic pressures are harmful; a diastolic pressure of more than 100 mm Hg and a systolic pressure of more than 160 mm Hg are associated with a significant incidence of strokes. The American Heart Association notes that individuals whose blood pressure level is lower than 120/80 mm Hg have about 50% the lifetime stroke risk of that of hypertensive individuals.

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