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Understand Your Blood Pressure Numbers


doctor taking blood pressureOver time, high blood pressure can damage the heart, blood vessels, kidneys, and other parts of the body. If you are concerned about high blood pressure, talk to your healthcare provider about what your blood pressure numbers mean.

To get your blood pressure checked for free, please visit the Mayor's Health Line to find a location near you.

There are ranges of blood pressures. Hypertension is defined as having either a systolic (upper) number of 140 or higher, or a diastolic (lower) number of 90 or higher.


Boston Public Health Commission
1010 Massachusetts Ave, 6th Floor, Boston, MA 02118.
Phone:(617) 534-5395 Email: