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Orthostatic Hypotension

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Orthostatic Hypotension
When Suzie stood up, gravity shifted a large volume of blood to her lower extremities, increasing the pressure force in all parts of the body below the heart while decreasing the pressure force in organs above the heart level. This decreased Suzie’s blood pressure because there's less blood circulating back to her heart to pump.

Normally, special cells (baroreceptors) near her heart and neck arteries would sense this lower blood pressure and send signals to centers in her brain that in turn signal her heart to beat faster and pump more blood (baroreceptor reflex), which would stabilize blood pressure. In addition, these cells and this reflex would cause blood vessels to narrow and increase resistance to blood flow and thus increases blood pressure.
…show more content…
Orthostatic hypotension can be caused by many different conditions, and anorexia nervosa (AN) is a big risk factor because of its contribution to low blood sugar, anemia, and various AN-related cardiovascular

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