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How is the blood pressure measure written and what does it mean?

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Blood pressure is measured in millimeters of mercury (mm Hg) and is written systolic over diastolic (for example, 120/80 mm Hg, or "120 over 80"). According to the most recent guidelines, a normal blood pressure is less than 120/80 mm Hg. Elevated blood pressure is 120 to 129 and less than 80. Hypertension is blood pressure that is greater than 130/80.

SOURCE: American Heart Association. American Medical Association. 

Reviewed by Suzanne R. Steinbaum on June 21, 2017

SOURCE: American Heart Association. American Medical Association. 

Reviewed by Suzanne R. Steinbaum on June 21, 2017

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