orthostatic hypotension

orthostatic hypotension

noun
Medicine/Medical. a fall in blood pressure associated with an upright position, usually occurring as a result of standing still for a long time or rising from a prolonged stay in bed and often causing faintness, dizziness, and vision disturbances.
Also called postural hypotension.


Origin:
1900–05

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Dictionary.com's 21st Century Lexicon
Main Entry:  orthostatic hypotension
Part of Speech:  n
Definition:  low blood pressure occurring upon standing up or when standing, often accompanied by faintness, dizziness, and vision disturbances; also called postural hypotension
Example:  When a person experiences any of the symptoms above, a physician can confirm orthostatic hypotension if the person's blood pressure falls significantly on standing up and returns to normal when lying down.
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American Heritage
Medical Dictionary

orthostatic hypotension n.
A form of low blood pressure precipitated by moving from a lying or sitting position to standing up straight. Also called postural hypotension.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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