What is Postural Hypotension?

Postural Hypotension means the same as orthostatic hypotension.

Postural hypotension results from changing body position from a prone, supine, or sitting position to a more vertical position. Normally, blood tends to pool in the legs due to gravity when a person stands up, potentially reducing the amount of blood available to return to the heart. Nerves to the blood vessels in the legs normally act to compensate for this pooling by constricting, thus sending blood away from the leg veins and toward the heart. However, poor tone of the nerves to blood vessels in the legs can cause this mechanism to fail, resulting in a disproportionate distribution of blood to the legs, instead of returning to the circulation, so the brain receives less oxygen. As a result, a person feels lightheaded and may even faint.

For more information about orthostatic hypotension, please click here.

* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.