• kathy barnes kathy barnes
    October 02, 2008
    What causes high systolic and low diastolic blood pressure?
    kathy barnes kathy barnes
    October 02, 2008

    My systolic blood pressure is quite high over the course of the day while my diastolic pressures remains low. What causes this? Should I be concerned about the disparity in the numbers?



  • Neil MD
    Health Pro
    October 02, 2008
    Neil MD
    Health Pro
    October 02, 2008

    The number you are talking about is called the pulse pressure.  The pulse pressure is the difference between systolic and diastolic in the blood pressure reading. When it is elevated, it can indicate several different things.    One common cause of a widened pulse pressure is atherosclerotic or hardened arteries.

    Another can be a faulty aortic valve in heart that's allowing blood to flow back into the heart from the aorta (that's the wrong way!).  That sounds scary, I know, but its a fairly common thing.  If you do have aortic regurgitation (as its called in medicine), it is something that you doctor can pick up and monitor.  If your valve gets so bad that you are having symptoms such as light headedness, dizziness, fainting and some other symptoms, the valve can be replaced by a heart surgeon.   

    There are other causes of widened pulse pressure which include hyperthyroidism and a patent ductus arteriosis.  Sometimes, there is no reason for a widened pulse pressure.  Regardless of the cause, you should discuss your findingh with your physician at an appointment soon for your own piece of mind.

    Here are some links you might find useful:


    Have High Blood Pressure? Don’t Eat These Foods


    7 Lifestyle Strategies to Decrease Your Risk of a Blood Clot


    How to Find the Best Blood Pressure Monitor 


  • Norma Bruce January 12, 2014
    Norma Bruce
    January 12, 2014

    I have a high systolic reading of 145-165 and my diastolic remains in the 60-70 I am also on blood pressure tablets witch have been increased and I have recently had 2 stents fitted I have a healthy diet and go to the gym 2-3 times a week

You should know Answers to your question are meant to provide general health information but should not replace medical advice you receive from a doctor. No answers should be viewed as a diagnosis or recommended treatment for a condition. Content posted by community members does not necessarily reflect the views of Remedy Health Media, which also reserves the right to remove material deemed inappropriate.

Most Popular

Causes of Pulmonary Hypertension
Top 6 Risk Factors for Pulmonary Embolism