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Doctor insights on: Why Do You Get Blackouts Sometimes When You Have Low Blood Pressure

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Why do you get blackouts sometimes when you have low blood pressure ?

Why do you get blackouts sometimes when you have low blood pressure ?

Blood flow to brain!: If your blood pressure is too low, you can experience "blackouts, " usually short lived, because of diminished blood flow to the brain, causing hypoxia. ...Read more

Dr. Jerome Zacks
634 doctors shared insights

Hypotension (Definition)

Hypotension is defined as "low blood pressure". Blood pressure is measured as two numbers and expressed as systolic blood pressure (sbp) / diastolic blood pressure (dbp). The sbp is the pressure that is generated when the heart squeezes. Dbp occurs when the heart relaxes. 120/70 is considered normal in adults. Less than 100/60 (of either number) can ...Read more


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What causes you to get blackouts when you have low blood pressure ?

What causes you to get blackouts when you have low blood pressure ?

Hypoperfusion: Not enougth circulation can cause poor perfusion of the brain and this cause a temporary blackout. Staying flat is usually enough to reverse it. ...Read more

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Can low blood pressure cause daily frequent two to three second blackouts while sitting?

Can low blood pressure cause daily frequent two to three second blackouts while sitting?

Possible: When blood pressure is low, sudden changes in position can cause lightheaded ness and dizziness. When changing positions take it slow. If you are on blood pressure medicine then you should see your doctor for medication adjustment. If not on meds, then you should still see you doctor for these issues. ...Read more

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Is it bad to have low blood pressure? How can I get help?

Is it bad to have low blood pressure? How can I get help?

Not bad: Low blood pressure is better than high blood pressure. If it is causing you to be symptomatic, you may need more salt in your diet and/ or more protein. If you have no problems, then no worries. If you need help see your doctor. You can also see acupuncturist.Chinese medicine practitioner as i helps balance your body without meds. ...Read more

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What to do if I have low blood pressure, somtimes i get dizzy and light headed. Could I use a service dog to balance me?

What to do if I have low blood pressure, somtimes i get dizzy and light headed. Could I use a service dog to balance me?

Probably not: I don't think a service dog would be of much help to you. Instead, you need to be evaluated for correctable causes of dizziness. If there are none, a cane or walker may be help. ...Read more

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How do you get a low blood pressure measurement?

How do you get a low blood pressure measurement?

Low volume: Hello aurora -- hypotension or low blood pressure is most commonly caused by low volume status -- that is not having enough hydration regularly -- please also see other explanations I have posted previously. ...Read more

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Is it possible to get low blood pressure at 17?

Is it possible to get low blood pressure at 17?

Yes: Low BP as long as you don't have symptoms is ok. All depend how low it is. ...Read more

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I have really low blood pressure and I faint when I get shots. Could this be related?

A blessing --: Yes -- you are more likely to feel dizzy or faint with a low baseline blood pressure -- having said that, low blood pressure is generally more of a blessing than a concern -- just make sure that you take care of your health like anyone else with exercise and healthy lifestyle -. ...Read more

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If i do a blood pressure log for dad how often should he get it checked for his low blood pressure?

If i do a blood pressure log for dad  how often should he get it checked for his low blood pressure?

Few times: Few times a week, different times in the day and with symptoms, not otherwise explained, such as headache, chest pain, blurred vision, etc. The technique and timing, allowing for the blood pressure to settle, are very important. ...Read more

Dr. Brad Goldenberg
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


Dr. Budi Bahureksa
143 doctors shared insights

Blackouts (With Memory Loss) (Definition)

A blackout is a symptom in which a person faints. Fainting is a temporary loss of consciousness due to a drop in the blood supply to the brain. A blackout can also mean an episode of temporary loss of vision (one's view turns to black) due to a drop in the blood supply to the head and eyeballs, without fully fainting. ...Read more