Symbol for the metallic element mercury. The abbreviation "mm Hg" means millimeters of mercury, the height of a column of mercury, as in a blood pressure reading. Mercury is poisonous to people.
When a healthcare professional takes your blood pressure, it's expressed as a measurement with two numbers, one number on top (systolic) and one on the bottom (diastolic), like a fraction. For example, 120/80 mm Hg. Blood pressure is measured in millimeters of mercury. That's what the mm/Hg stands for.
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Hg in Blood Pressure:
Symbol for the metallic element mercury. The abbreviation "mm Hg" means millimeters of mercury, the height of a column of mercury, as in a blood pressure reading. Mercury is poisonous to people.
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When a healthcare professional takes your blood pressure, it's expressed as a measurement with two numbers, one number on top (systolic) and one on the bottom (diastolic), like a fraction. For example, 120/80 mm Hg. Blood pressure is measured in millimeters of mercury. That's what the mm/Hg stands for.