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.

Related Questions

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...

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...

Very often when I get up I see lights for a few seconds, does this indicate that I have low blood pressure? Never faint though! Should lbp be treated?

Orthostatic. This is very typical of orthostatic hypotension, your blood pressure false for few seconds when you stand up due to blood pooling in lower extremities. Unless you have fainting, or blood pressure problems during the day, usually this situation does not require treatment. Read more...
BP. when there are concerns for a drop in BP with standing, BP should be checked while lying down then sitting and finally while standing. Read more...

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...