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Doctor insights on: What Does Low Blood Presure Mean

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I get blood pressure reading -what does it mean if the bottom number is low?

I get blood pressure reading -what does it mean if the bottom number is low?

Bottom number: Bottom number is always lower than the upper number.You need to tell us what the upper and lower numbers are.Than only we can answer your question. ...Read more

Dr. Linda Callaghan
2 doctors shared insights

Blood Pressure (Definition)

Blood pressure is a measurement of the force placed on the blood vessels and is comprised of the "systolic" pressure (the top number on a blood pressure meter) which is the peak pressure when the heart is pumping, and the "diastolic" pressure (the bottom number on a blood pressure meter) which is the pressure during the resting phase ...Read more


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What does it mean when someone tells you that you have low blood? Not blood pressure but low blood.

What does it mean when someone tells you that you have low blood? Not blood pressure but low blood.

Anemia, possibly: When not referring to low blood pressure, "low blood" can refer to anemia, deficiency in the amount of hemoglobin in the bloodstream. Hemoglobin gives blood its color and carries oxygen.Symptoms of anemia can include fatigue. Causes of anemia include blood loss (periods, GI bleeding), bone marrow problems, inherited abnormalities, sequestration in the spleen, red blood cells bursting (hemolysis). ...Read more

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I am 21 and have high systolic (148 +) and low diastolic (35-40) blood pressure, what does this mean?

I am 21 and have high systolic (148 +) and low diastolic (35-40) blood pressure, what does this mean?

Abnormal BP: That blood pressure is abnormal especially for one so young. Verify that your BP apparatus is functioning properly. If indeed that is your true blood pressure two things come to mind: aortic insufficiency which is a back flow of blood across the aortic valve or severe anaemia. Please see your doctor about your blood pressure. ...Read more

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What does it mean to have a lil high top number and a lil low bottom number in blood pressure ? What is normal range?

What does it mean to have a lil high top number and a lil low bottom number in blood pressure ? What is normal range?

How do you feel?: "low blood pressure" is a pop diagnosis . The numbers (top is highest it gets when the heart beats, bottom is lowest when the heart relaxes) need only be high enough to keep the blood flowing around your body. Stop worrying about "normal ranges" and ask the real question -- is your body working? ...Read more

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My vision nearly blacked out earlier, could this mean my blood pressure is too low or blood sugar is low?

My vision nearly blacked out earlier, could this mean my blood pressure is too low or blood sugar is low?

Yes, just so: You experienced an "orthostatic" episode, where your blood pressure temporarily became too low. If this happens all the time and results in passing out, you may need to see a cardiologist for this. If it's just a time to time annoyance, that's almost normal, and nothing anybody would treat, except to advise you to stay hydrated and get up more slowly. ...Read more

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If i stand up and my vision nearly blacked out, could this mean my blood pressure is too low or blood sugar is low?

If i stand up and my vision nearly blacked out, could this mean my blood pressure is too low or blood sugar is low?

Yes, just so: You experienced an "orthostatic" episode, where your blood pressure temporarily became too low. If this happens all the time and results in passing out, you may need to see a cardiologist for this. If it's just a time to time annoyance, that's almost normal, and nothing anybody would treat, except to advise you to stay hydrated and get up more slowly. ...Read more