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Millimeters of Mercury (mm Hg)

Pressure is measured in millimeters (mm) of mercury (Hg). A special unit that measures pressure shows how high a column of mercury rises.

By Healthwise Staff
Primary Medical Reviewer Anne C. Poinier, MD - Internal Medicine
Specialist Medical Reviewer Thomas M. Bailey, MD - Family Medicine
Current as of May 10, 2013

WebMD Medical Reference from Healthwise

Last Updated: May 10, 2013
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