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millimeters Mercury? ____________________ "mm Hg" is the abbreviation for "Millimeters of Mercury. It is a measure of blood pressure. Millimetres of mercury (Hg is the chemical sysmbol for mercury). This is normally a measurement of atmospheric pressure - the number of millimetres of mercury in a sealed glass tube supported by air pressure. Standard atmospheric pressure (101.325kilo Pascals) is equal to 29.92 inches of mercury (inHg) or 759.968 mmHg.

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15y ago
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11y ago

mm means mililmeter and Hg is the symbol for mercury

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Q: What does mm-Hg means in nursing terms?
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