Normal blood pressure rate for 86 year old 100 lbs?

Low Blood Pressure: Systolic blood pressure lower than 90 mm Hg and diastolic pressure lower than 60 mm Hg.

Normal Blood Pressure: Systolic blood pressure between 90 and 139 mm Hg and diastolic pressure between 60 and 89 mm Hg.

High Blood Pressure: Systolic blood pressure at or greater than 140 mm Hg and diastolic blood pressure at or greater than 90 mm Hg.

Blood pressure can vary throughout the day, so it's important to take multiple measurements over time to get an accurate reading. Talk to your doctor about what blood pressure range is right for you.