mmHg

created by Mike1024
(thing) by Mike1024 (3 y) (print)   (I like it!) Fri Jul 27 2001 at 19:51:26

A measurement of pressure.

The main use of this unit I have seen is medical, for determining blood pressure. mmHg expands to mm Hg, and from that to Millimeters of Mercury (Hg is the chemical symbol for mercury).

I am told by Professor Pi that it is also known as the Torr. It is the pressure in a column of mercury 1mm high.

An example would be '120 mmHg'

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