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Orthostatic Hypotension

By , About.com Guide

Updated March 22, 2007

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Definition:
Orthostatic hypotension is a condition that causes a person's blood pressure to drop when they rise from a seated or lying down position to standing. This may cause blurred vision, dizziness or faintness, and may lead to fainting if severe.

Orthostatic hypotension may be a side effect of some drugs used to treat bipolar disorder, including:
Pronunciation: OR-thoh-STAT-ick HIGH-poh-TEN-shun
Also Known As: Postural hypotension (pronounced PAHSS-chyoo-rul)

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