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What is isolated systolic hypertension?

For many older Americans, only the systolic blood pressure is high, a condition known as "isolated systolic hypertension," or ISH (systolic at or above 140 mm Hg and diastolic under 90 mm Hg). Research finds that diastolic blood pressure rises until about age 55 and then declines, while systolic blood pressure increases steadily with age.

About 65% of all people with hypertension age 60 and older have ISH; this is the same group that has the poorest hypertension control rate.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.