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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.

ByHealthwise Staff
Primary Medical ReviewerAnne C. Poinier, MD - Internal Medicine
Specialist Medical ReviewerThomas M. Bailey, MD - Family Medicine
Last RevisedMay 6, 2011

WebMD Medical Reference from Healthwise

Last Updated: May 06, 2011
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