Sign up here to receive daily weather forecasts and/or severe weather emails from the WREX weather team. The severe weather email you receive will contain the alert headlines (i.e. Tornado Watch for Winnebago County, IL. in effect from June 19 at 7:12 PM CDT until June 19 at 9:00 PM CDT). Below the headline is a link that says, Click here for more information.
The low point is referred to as diastole and occurs when the ventricles relax and minimal pressure is exerted against the vessel wall. A normal blood pressure for a healthy adult ranges from 90 to 120 mm Hg systolic and from 60 to 80 mm Hg diastolic. Under normal circumstances, blood volume remains constant at 5,000 mL.
1 Normal blood pressure is systolic blood pressure less than 130 mmHg and diastolic blood pressure less than 85 mmHg. 2  Normal-high blood pressure is defined as systolic blood pressure 130-139 mmHg and/or diastolic blood pressure 85-89 mmHg.